c) Na3PO4 This problem has been solved! Ionic compounds that dissolve separate into individual ions. The CO_3 ion is the conjugate base of the HCO_3^- ion. e) O = -8, S= +6, In which compound is the oxidation state of oxygen -1? b. HClO_3. While full chemical equations show the identities of the reactants and the products and give the stoichiometries of the reactions, they are less effective at describing what is actually occurring in solution. Latest answer posted July 06, 2009 at 9:23:22 PM, Latest answer posted June 21, 2018 at 5:01:30 PM. A simple chemical analysis concludes that the powder is a mixture of sugar and morphine (C17N19NO3), a weak base similar to ammonia. You may have seen these solutions labeled with the subscript aq in chemical equations. Omit water from the equation because it is understood to be present. 2023. Who are the experts?Our certified Educators are real professors, teachers, and scholars who use their academic expertise to tackle your toughest questions. Is it K3PO4 --> 3K(+) + PO4(3-) Please clarify if I'm wrong. c) 1.84 M Now mL to L 2023 eNotes.com, Inc. All Rights Reserved. a. HF. b) (5.0 M)(V1) = (0.10M)(250 mL) Dissociation of an ionic compound in water. So consider things the other way around. The question provides us with the chemical formula ({eq}\rm K_3PO_4{/eq}) and amount of chemical (0.75 mol). The molar mass of K3PO4 is 212.266 g/mol. When K3PO4 is dissolved in water, why does the solution turn basic? . b) Pb(NO3)2 (aq) and Fe(s) Write the balanced molecular and net ionic equations for the reaction of aluminum with hydrobromic acid. Mass of Morphine = # of moles x Molar mass mol NO3-/L = (0.025 mol Ca(NO3)2/L) x (2 mol NO3-/1 mol Ca(NO3)2) = 0.050 M NO3- No2cl Bond Order, When HCl (strong acid) is added to this buffer system, the extra H+ ions added to the system are consumed by the NH3 to form NH4+. Salt water. {/eq}). It dissociates in water. eNotes Editorial, 19 Oct. 2012, https://www.enotes.com/homework-help/what-balanced-dissociation-equation-k-3po-4-what-365679. Further, to describe the chemical conte Suppose you prepare 0.250 M solutions of hydrobromic acid and potassium hydroxide. of Select Page. Write the chemical equation for the reaction of carbonic acid (H_2CO_3) with water. 0.175 mol Na2SO4 x (142.04 g/ 1 mol Na2SO4) = 24.9g Na2SO4, What is the concentration of ammonia in a solution made by dissolving 3.75 g of ammonia in 120.0 L of water? When solutions of carbonic acid and sodium hydroxide react, which of the following are NOT present in the net ionic equation? What remains when the spectator ions are removed is called the net ionic equation, which represents the actual chemical change occurring between the ionic compounds: It is important to reiterate that the spectator ions are still present in solution, but they do not experience any net chemical change, so they are not written in a net ionic equation. write the balanced equation for: 1. dissolving potassium phosphate in water K3PO4(s) + water --> 3K+ (aq) + (PO4)-3 (aq) 2. dissolving manganese(III) sulfate in water Mn2(SO4)3(s) + water --> 2Mn3+ (aq) + 3(SO4)-2 (aq) 3. dissolving sodium bromide in water NaBr (s) + water --> Na+ (aq) Favorite Answer. Write equations that represent the action in water of hypochlorous acid (HOCl) as a Bronsted-Lowry acid and of diethylamine (CH_3CH_2)_2NH as a Bronsted-Lowry base. A solution is a homogeneous mixture where one substance dissolves in another substance. Andrey Kh Vorobiev *. L = 0.200 mol HCl/0.500 M HCl Alkali Salts : Alkali salts are basic salts are that. Predict the pH of the following salt solutions and report as either acidic, basic, or neutral. mol = M x L Write the chemical equation showing dihydrogen phosphate and hydrogen phosphate conjugate acid-base relationship. Answer: B. a) Write the balanced molecular and net ionic equations for the reaction between magnesium and cobalt(II) sulfate. a) The hydrogen phosphate ion, HPO4-, is amphiprotic and can act as an acid or base. HCl + H2O -> Cl- + H2O + H+ Classi. a) Molecular: Upvote 1 Downvote Add comment Report Still looking for help? what is the compound name of formula. How is the molarity of a 0.50 M KBr solution changed when water is added to double its volume? Explain why. Choose an expert and meet online. for any assignment or question with DETAILED EXPLANATIONS! crcl3 soluble or insoluble how to find assumed mean of ungrouped data. A net ionic equation to show that hydrofluoric acid behaves as a Bronsted-Lowry base in water: [{Blank}] (aq,l,s,g) + H2O \rightarrow [{Blank}] (aq,l,s,g) + [{Blank}] (aq,l,s,g), Use the following salts to create a 0.100 M solution. Write the net ionic equation for the reaction, which makes a solution Na_2CO_3 basic. Write the net ionic equation for the acid-base hydrolysis equilibrium that is established when ammonium chloride is dissolved in water. c) Cl = 2-, S = 2+ express your. d) Na2SO3 M HCl = 0.00273 mol/0.0273 L Write equations for the reaction of the CO32- HCO3- buffer reacting with an acid and a base. Thank you so much! 0:00 / 1:15 Equation for KMnO4 + H2O (Potassium Permanganate + Water) Wayne Breslyn 623K subscribers 34K views 4 years ago In this video we will describe the equation KMnO4 + H2O and write. (a) If 0.384g0.384 \mathrm{~g}0.384g of hydrogen is obtained in this experiment, how many grams of sulfur must be obtained? = 0.210 M NaOH. Water is in the all other materials category, so will be a nonelectrolyte and not shown dissociated. Solved Part B Enter the ions present in a solution of K3PO4. Determine whether or not BaCO_3 will be more soluble in acidic solution than in pure water. Explain this statement with an equation showing the reaction between the acid and potassium hydroxide. Replace immutable groups in compounds to And by the time the third H+ leaves, there will be a full PO4 3- pulling it back. If this solution were mixed with the one pictured above for HY, what species would be present in a diagram that represents the combined solutions after any possible reaction? Our summaries and analyses are written by experts, and your questions are answered by real teachers. It includes only ions and molecules directly involved in the reaction These compounds dissociate into their component ions when dissolved in an appropriate solvent. MnO4(1-) (aq) + 5 Fe(2+) (aq) + 8 H+ (aq) --> Mn2+ (aq) + 5 Fe(3+ (aq) + 4 H2O (l) B) Hydrosulphuric acid, H2S. Write an equation for the formation of the hydronium ion when an acid is dissolved in water. molality (m) of NaCl = moles of NaCl/kg waterFrom the periodic table, find the atomic masses of the elements:atomic mass Na = 22.99atomic mass Cl = 35.45moles of NaCl = 31.65 g x 1 mol/(22.99 + 35.45)moles of NaCl = 31.65 g x 1 mol/58.44 gmoles of NaCl = 0.542 molkg water = density x volumekg water = 0.994 g/mL x 220 mL x 1 kg/1000 gkg water = 0.219 kgmNaCl = moles of NaCl/kg watermNaCl = 0.542 mol/0.219 kgmNaCl = 2.477 mol/kg. A sample of 70.5 mg of potassium phosphate is added to 15.0 mL of 0.050 M silver nitrate, resulting in the formation of a precipitate. A solution in which water is the solvent Solution A homogeneous mixture of two or more substances Solvent The dissolving medium of a solution; it is normally the component of a solution present in the greater amount Solutes A substance dissolved in a solvent to form a solution; this is normally the component present in the smaller amount Identify the gas formed when solid magnesium carbonate reacts with an aqueous solution of perchloric acid. How many anions would you show if each diagram contained six cations? 1. following salts are soluble in water. Write ionic equations for chemical reactions between ionic compounds. For any ionic compound that is aqueous, we will write the compound as separated ions. a_ Chloric Acid If it is not neutral, explain your choice by writing a balanced net ionic equation to describe its behavior in water. Determine whether each anion is basic or neutral. c) 23.5 mg 20 g of K3PO4 dissolved in 350 ml water,to come up with 500 ml solution. Sodium carbonate dissolved in water produces a basic solution. Which salt would result from the acid-base reaction of phosphoric acid and potassium hydroxide? Few exceptions; a) like O2 2-, each atom has a 1- oxidation number - Definition & Examples, Half-life: Calculating Radioactive Decay and Interpreting Decay Graphs, Aqueous Solution: Definition, Reaction & Example, Burette: Definition & Function in the Laboratory, Solubility of Common Salts: Predicting Reaction Outcomes, Limiting Reactants & Calculating Excess Reactants, High School Chemistry: Homework Help Resource, CSET Science Subtest II Life Sciences (217): Practice & Study Guide, FTCE Physics 6-12 (032): Test Practice & Study Guide, NY Regents Exam - Chemistry: Test Prep & Practice, NY Regents Exam - Earth Science: Test Prep & Practice, NY Regents Exam - Physics: Test Prep & Practice, UExcel Microbiology: Study Guide & Test Prep, Prentice Hall Biology: Online Textbook Help, Prentice Hall Earth Science: Online Textbook Help, Middle School Physical Science: Help and Review, Middle School Physical Science: Homework Help Resource, Biological and Biomedical K3PO4 ---> 3K^+ + PO4^-3 The dissociation of 1 mole of K3PO4 forms 3 moles of potassium ions (K^+) and 1 mole of phosphate ions (PO4^-3). Keep in mind that when the ions separate, all the ions separate. Determine the net Bronsted acid-base equation for the reaction that occurs when aqueous solutions of NH4Cl and Na2SO3 are mixed. Sodium carbonate dissolves in water to provide carbonate, CO_3 ^{2-}. Under what condition does a real gas display the most ideal behavior. M of NaOH = 0.0456 mol NaOH/0.02 L NaOH 0.0277 mol/0.1 L = 0.277 M. What is the molar concentration of each ion present in a 0.025 M aqueous solution of calcium nitrate? 1. Your comments have been successfully added. The crime lab takes 10.00 mg of the mysterious white powder, dissolves it in 100.00 mL water, and titrates it to the equivalence point with 2.84 mL of a standard 0.0100 M HCl solution. The OH- increases the pH of Na3PO4, rendering the solution alkaline. mol = M x L Mg(s) + Co2+ (aq) --> Mg2+ (aq) + Co(s) Get your answers by asking now. This would be correct stoichiometrically, but such . Show the reaction with H+ as. What weak acid is made? b) Only sodium chloride precipitate 4 Chapter 4 Chemistry 1303 B. Molecular and Ionic Equations Metathesis Reaction (also called "double displacement") Ions from two different reactants simply trade partners, Na2CO3 (aq) + Ba(NO3)2 (aq) BaCO3 (s) + 2 NaNO3 (aq) This was written as a molecular equation in which all reactants and products are shown as complete, neutral chemical formulas. Most Acids are weak except for a few, acids that yield only 1 H+ion per molecule of acid, acids that yield 2 H+ ions per molecule of acid By using this website, you signify your acce Balance the reaction of KOH + H3PO4 = K3PO4 + H2O using this chemical equation balancer! In this video we will describe the equation K3PO4 + H2O and write in H2O (water) it will dissociate (dissolve) into K+ and PO4 3- ions. Hydrogen Sulfide, which is the substance that gives off the rotten egg odor, Happens in metal When dissolved in water, does KOH behave as an acid or a base? When NaCl dissolves in water, the ions separate and go their own way in solution; the ions are now written with their respective charges, and the (aq) phase label emphasizes that they are dissolved (Figure \(\PageIndex{1}\)). Hydrogens can only dissociate from the COO-H bonds. b) Write an equation to show the reaction between H_2PO_4^1- and HS^1-. M = mol/L e) 81.0%, X = C17N19NO3 then HSO4 --> H+ + SO4 2-. Find Free Themes and plugins.zinc iodide dissolved in water equation. Rank the solutions in order of increasing electrical conductivity, knowing that the greater the number of ions in solution, the greater the conductivity. a) 0.0500 mol/2.50 M = 0.02 L Pb+ D) Li^+. a) when an aqueous solution of NiCl2 (Aq) is added to a test tube containing strips of metallic zinc, and The three pKa's of H3PO4 are 2.15, 7.20, and 12.35, respectively. Write the net acid-base reaction that occurs when dissolved NaC2H3O2 reacts with water. Write a chemical equation showing how H_2PO_4^- can behave as an acid when dissolved in water. It is common to cancel spectator ions (something also done with algebraic quantities) on the opposite sides of a chemical equation: \[\cancel{Na^{+}(aq)}+Cl^{-}(aq)+Ag^{+}(aq)+\cancel{NO_{3}^{-}}(aq)\rightarrow AgCl(s)+\cancel{Na}^{+}(aq)+\cancel{NO}_{3}^{-}(aq)\nonumber \]. Sleeping In Discord Calls, They do not remain as Cl2 (that would be elemental chlorine; these are chloride ions), and they do not stick together to make Cl2 or Cl22. Zn + 2 HBr --> ZnBr2 + H2 Solubility rules are very useful in determining which ionic compounds are dissolved and which are not. given the following informati, give the initial and final electron and molecular geometries in the reaction: SF4+F-=SF5-. That is, the two chloride ions go off on their own. a) in aluminum nitride, AlN One place where solubility is important is in the tank-type water heater found in many homes in the United States. a. 0.03 M K+:0.015 M CO3 2- What acid and what strong base would react in aqueous solution to produce the following salts in the formula equation? Na_2CO_3. = 5.0 mL what is thebalanced dissociation equation for KCN (s)? d) sodium Complete the equation for the dissociation of K3PO4(aq) . eg sodium sulfate. 1. fluoride ion, hydronium ion, and water 2. fluoride ion, hydroxide ion. Potassium Phosphate is an inorganic compound used as a laxative, dietary supplement and for electrolyte-replacement purposes. If excess ammonium sulfate reacts with 2 moles of calcium hydroxide, how many moles of ammonia are produced? 3.75 g NH3 x (1 mol NH3/17.03 g) = 0.220 mol NH3 Sheen was 'winning' 10 years ago. = H30 (hydronium) Hope this helps Comment ( 2 votes) Upvote Downvote Flag more Show more. Wayne Breslyn 632K subscribers 10K views 2 years ago To tell if K3PO4 (Potassium phosphate) forms an acidic, basic (alkaline), or. Find an answer to your question Complete this equation for the dissociation of K3PO4(aq). what is the name of formula? e) Barium chloride is not soluble and it stays as a precipitate, 2 NaNO3 (aq) + BaCl2 (aq) --> 2 NaCl (aq) + Ba(NO3)2 (aq). Sodium carbonate dissolved in water produces a basic solution.Water-soluble potassium phosphate, K 3 PO 4 ,also produces a basic solution. d) 3.78x10^-2 M Write the ions present in a solution of k3po4. The presence of strong bases in the products of hydrolysis makes the solution basic. That is, it can act like a Bronsted-Lowry acid or as a Bronsted-Lowry base. 3) When sucrose (C 12 H 22 O 11) burns in oxygen, carbon dioxide, water and heat are produced. = 0.100 M HNO3 x 0.025 L HNO3 Write An Equation That Justifiesits Basicity. When molecular compounds, such as sugar, dissolve in water, the individual molecules drift apart from each other. Identify the acid and base. calculate : molecular weight Equivalent weight molarity normality molality A solution of 0.2113 g of water dissolved in 25.0 g of a solvent freezes at 11.5 C below the freezing point of the solvent. Answer Save. Write an equation that justifies its basicity. - Definition & Examples. = 28571.4 mL Relevance. (water) it will dissociate (dissolve) into K+ and PO4 3- ions. 0.165 mol/0.123 L = 1.32 M, What is the molarity of a solution that is made by dissolving 3.68 g of sucrose (C12H22O11) in sufficient water to form 275.0 mL of solution? Will an aqueous solution of iron(II) chloride oxidize magnesium metal? B) Mn^{3+}. More specifically, you know that you have a) H3PO3 + 3 KOH --> K3PO3 + 3 H2O 275.0 mL x (1 L/1000 ml) = 0.275 L d) 0.325 M d) The oxidation state of copper in copper sulfate is 0. = 0.400 L HCl, the process of reacting a solution of unknown concentration with one of known concentration, The point in a titration at which the added solute reacts completely with the solute present in solution, A substance added to a solution that changes color when the added solute has reacted with all the solute present in solution. When it is in the solution it forms ions. M=mol/L Expert's answer Balanced chemical reaction (dissociation): KPO (aq) 3K (aq) + PO (aq). 6. What is the name of theformula? Learn more about our help with Assignments: Thank you! You then carefull. NH_4Cl. Write the formula of the conjugate base for acid H2CO3. a) the balanced molecular equation, However, CaCO3 has the relatively unusual property of being less soluble in hot water than in cold water. Water-soluble potassium phosphate, K3P O4 K 3 P O 4, also produces a basic solution. of KPO is potassium phosphate, a water-soluble ionic salt. M=mol/L of soln e) BaO2, a) O = is 2-; P = +5 (c) What is the molarity of the phosphate anion? The carbonate ion being a conjugate base may form the bicarbonate ion (HCO_3) and carbonic acid (H_2CO_3) in solution Ka1 and Ka2 for carbonic acid are 4.45 x 10^(-7) a. {/eq}) which is a weak acid. Use appropriate equations to explain why for each. d) SnBr4 Predict qualitatively whether the salts below dissolve to give solutions that are acidic, basic or neutral. See image, metals that react most readily to form compounds, Why does this solution turn blue? This behavior was first suggested by the Swedish chemist Svante August Arrhenius [18591927] as part of his PhD dissertation in 1884. Such salts are a result of partial or incomplete neutralization. A homogeneous mixture of two or more substances, The dissolving medium of a solution; it is normally the component of a solution present in the greater amount, A substance dissolved in a solvent to form a solution; this is normally the component present in the smaller amount, A solute that produces ions in solution; an Electrolytic solution conducts an electric current, A substance that not ionize in water and consequently gives a nonconducting solution. {/eq}. d) 32.1 mg mol = 0.100 M Ag+ x 0.0202 L = 0.00202 mol Ag+ A net ionic equation shows only the chemical species that are involved in a reaction, while a complete ionic equation also includes the spectator ions. Potassium phosphate | K3PO4 or K3O4P | CID 62657 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological . Write the net ionic equation for the precipitation reaction that occurs when aqueous solutions of silver nitrate and potassium phosphate are mixed. answered 02/12/20, Experienced Chemistry Tutor and College Lecturer. You are absolutely right. The equation can be read as one neutral formula unit of lead (II) nitrate combined with a superstoichiometric amount of water (solvent) yields one lead (II) cation and two nitrate anions, both ions in aqueous phase. (Al(H_2O)_6)C. Write the equations for the reaction of the following Bronsted bases with water: a. NH2OH b. SeO4^2- c. SO3^2- Please provide a brief explanation of how to write the equations. Start your 48-hour free trial to get access to more than 30,000 additional guides and more than 350,000 Homework Help questions answered by our experts. Express your answer as an ion. Traditions Outfitter G2 35 Rem Review, {/eq} dissolves in water. Get the right answer, fast. Is K3PO4 acidic, basic, or neutral (dissolved in water)? Write the acid dissociation equation for the dissociation of the weak acid H_2PO_4^- in water. a) Both barium nitrate and sodium chloride precipitate Spectators: NO3- and Na+. d. NaHCO_3. c) the net ionic equation. c) 3.91 x 10^-2 M 4, d) (0.297 g Fe2+/0.8890 g total) x 100 = 33.4%. Therefore a total of 4 ions are formed from the dissociation of 1 mole of K 3 PO 4 . Ag+ (aq) + Cl- (aq) --> AgCL(s) 2 NaOH + H2SO4 --> Na2SO4 (s) + 2 H2O Calculating freezing point depression has practical applications, such as making ice cream and drugs and de-icing roads. The answer is: KPO (aq) 3K (aq) + PO (aq) Further Explanation The chemical change could be an action that always produces interchange of chemical compounds. are needed to prepare 1) Monoatomic ions - oxidation number is the same as the charge Get access to this video and our entire Q&A library, What is Salt Hydrolysis? For those that are basic, wrote an equation that shows how an anion acts as a base. The equation is already balanced. For the reaction between aqueous solutions of acetic acid (CH3COOH) and barium hydroxide, Ba(OH)2, write Hydrogen sulfide is composed of two elements: hydrogen and sulfur. For example, when NaCl(aq) reacts with AgNO3(aq) in a double-replacement reaction to precipitate AgCl(s) and form NaNO3(aq), the complete ionic equation includes NaCl, AgNO3, and NaNO3 written as separate ions: \[\ce{Na^{+}(aq) + Cl^{}(aq) + Ag^{+}(aq) + NO3^{}(aq) AgCl(s) + Na^{+}(aq) + NO3^{}(aq)}\nonumber \]. Dissociation is complete as shown in the equation. When dissolved in water, the compound will c) 1:1 Zn2+ (s) + CuSO4 (aq) --> ZnSO4 (aq) + Cu 2+ (aq) your equation should show a proton transfer to form carbonic acid and a salt. Want create site? This is the solution concentration in moles per liter. a) How many grams of chloride ion are in a sample of the water if 20.2 mL of 0.100 M Ag+ is needed to react with all the chloride in the sample? Write the net ionic equation for the precipitation reaction that occurs when aqueous solutions of calcium chloride and sodium carbonate are mixed. Will a precipitate form when solutions of Ba(NO3)2 and KOH are mixed? 15 ml = 0.015 L For example, you can dissolve a maximum of 36.0 g of NaCl in 100 g of water at room temperature, but you can dissolve only 0.00019 g of AgCl in 100 g of water. Still have questions? In this video we will describe the equation K2SO4 + H2O and write what happens when K2SO4 is dissolved in water.When K2SO4 is dissolved in H2O (water) it will dissociate (dissolve) into K+ and SO4 2- ions. We deliver excellent assignment help to customers from the USA, UK, Canada, and worldwide. Write equations to represent the Bronsted acid behavior for each of the following acids in water solution. Question: Enter the ions present in a solution of K3PO4. We consider \(\ce{NaCl}\) soluble but \(\ce{AgCl}\) insoluble. Alkali salts are basic salts are that category of salts which are formed by combination of strong bases and weak acids. With our Essay Lab, you can create a customized outline within seconds to get started on your essay right away. Write a chemical equation showing how CO_3^(2-) can behave as a base when dissolved in water. Adresse:Calea Grivitei, 2-2A, 1st District, Bucharest, 2020 FABIZ - Bucharest University of Economic Studies, Kuta Software - Infinite Algebra 2 Rational Exponent Equations Answers, Master in Entrepreneurship and Business Administration (MEBA), Master en Entrepreneuriat et Gestion des Affaires (MEGA), Master in Entrepreneurship und Betriebswirtschaft (MEBW), Master in Digital Business and Innovation (MDBI), International Master in Business Administration (IMBA), Master of Entrepreneurship and Business Administration in Energy (Energy MBA). How many grams of solute are present in B) The compound ammonium bromide , NH4Br is soluble in water. Ex: 1M solution = 1.00 mol/1 L, Calculate the Molarity of a solution made by dissolving 23.4 g of sodium sulfate (Na2SO4) in enough water to form 125 mL of solution, M = mol/L A. For single-replacement and double-replacement reactions, many of the reactions included ionic compoundscompounds between metals and nonmetals, or compounds that contained recognizable polyatomic ions. A) The compound potassium phosphate , K3PO4 is soluble in water. 0.195 g x 1000 = 19.5 mg A link to the app was sent to your phone. Later, this work was cited when Arrhenius was awarded the Nobel Prize in Chemistry. Write out the chemical equation for the equilibrium hydrolysis reaction of the hydrogen phosphate ion for both acid. Helmenstine, Todd. One important aspect about ionic compounds that differs from molecular compounds has to do with dissolution in a liquid, such as water. Assume that 4.6320 g of K3PO4 is dissolved in enough water to make 250.0 mL of solution? 2 NaOH + H2SO4 --> Na2SO4 + 2 H2O What is the oxidation number of nitrogen c) O = 2-, Cr = +6 There are three main steps for writing the net ionic equation for K3PO4 + AgNO3 = Ag3PO4 + KNO3 (Potassium phosphate + Silver . When dissolved in water, the compound will All other trademarks and copyrights are the property of their respective owners. Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. Write the chemical equation of mixing carbonate (CO_3^{2-}), which is a base, with water. Check Image, The substance that recieved electrons in a redox reaction, (oxidation state) Identify all of the ph. It doesn't matter whether the solute is a liquid, gas, or solid. d) O = 6-, Na = 2+, S = 4+ Freezing Point Depression Example Problem. 3.58 g Mg(s) + Co2+ (aq) + SO4- (aq) --> Mg2+ (aq) + SO4- (Aq) + Co(s) The quantity of Cl- in a municipal water supply is determined by titrating the sample with Ag+. disadvantages of ratchet and pawl mechanism, accident jane cameron agee,