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Pre-lab Study Questions |
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1. Write the solubility product Ksp for the following compounds. a. FeS b. AgNO3 c. Mg(OH)2 d. Ca3(PO4)2 2. Consider a saturated solution of magnesium hydroxide Mg(OH)2. Answer the following questions. a. What would happen to the solubility of Mg(OH)2 if the solution were made up in 0.01 M Mg(NO3)2 instead of pure water? Explain. b. What would happen to the solubility of Mg(OH)2 if the solution were made up in 0.01 M NaOH instead of pure water?Explain. c. What would happen to the solubility of Mg(OH)2 if the solution were made up in 0.01 M NaCl instead of pure water?Explain. |

Pre-lab Study Questions 1. Write the solubility product Ksp for the following compounds. a. FeS ...
a) The solubility product, Ksp, of Cd3(PO4)2 is 2.5 x 10-33. What is the solubility (in g/L) of Cd3(PO4)2 in pure water? b) The solubility product of Cu(OH)2 is 4.8 x 10-20. Calculate the value of pCu2+, or -log[Cu2+], in an aqueous solution of NaOH which has a pH of 12.38 and is saturated in Cu(OH)2. c) The equilibrium constant for the formation of Cu(CN)42- is 2.0 x 1030. Calculate the value of pCu2+, or -log[Cu2+], if we were to...
Determine the molar solubility for each of the following. a.) Ca3(PO4)2 given Ksp = 2.0 x 10-29 b.) Ca3(PO4)2 in a solution containing 0.010 M Ca(OH)2 c.) Ca3(PO4)2 in a solution containing 0.010 M of K2PO4
1. what is the solubility of AgBr with a Ksp of 5.0x10-13 in 0.1M NaBr? Did you expect this to be higher or lower than the solubility of AgBr by itself? 2. Would you expect the solubility of AgBr to be significantly pH dependent? why or why not? 3. The Ksp of Mg(OH)2 is 1.8x10-11 at 25C. What is the pH of a saturated solution of Mg(OH)2 at 25C? 4. Would Mg(OH)2 be more soluble in water or a solution...
1) Write the solubility-product expression for the following mercury salts: Hg2Cl2 and HgCl2. 2) Exactly 0.133 mg of AgBr will dissolve in 1.00 L of water. What is the value of Ksp for AgBr? 3) By experiment, it is found that 1.2 x 10-3 mol of lead (II) iodide, PbI2, dissolves in 1.0 L of water at 25°C. What is the Ksp at this temperature? 4) What is the molar solubility of silver chloride in 1.0 L of solution that...
Q1: Part 1) The solubility product (Ksp) of AuCl3(s) is 3.2 × 10-25. Calculate the molar solubility of AuCl3(s) in pure water and with the molar solubility found, calculate the solubility of AuCl3(s) in units of mg AuCl3/mL in pure water. The molar mass of AuCl3 is equal to 303.33 g AuCl3/mol AuCl3. Part 2 )Calculate the molar solubility of AuCl3(s) in an aqueous 1.5 M NaCl solution. Q2: Calculate the pH of a solution if 75.0 mL of 0.195...
Pre-Lab for Determination of Solubility Product Constant 1. Write the solubility product constant (Ksp) for the following reaction as a function of the concentrations of the products: Ca(103) (s) Ca²+ (aq) + 210,- (aq) 2. Ca(IO3)2 will ionize in water to produce 10, ions. The 10, ions will react with KI. Write the reaction for this reaction. 3. We will be using starch as an indicator. Why? 4. In this experiment, we will first produce Izby mixing calcium iodate with...
It's part k and calculation 0.4067×0.4067=0.165
also I dont understand questions 1-4
k. Calculate the Ksp of KHP in 0.5 M KCl solution. Is there a difference between the Ksp in 0.5 M KCl and the Ksp in purified water (calculation d)? [K] = [HP] = - Calculation Ksp = D=0.165 4a. Look up the Ksp for Mn(OH)2 and provide the reference: 1.6 X10 reference: /.6 X10-13 Reference b. The pH of a saturated solution of Mn(OH)2 is 9.90. Calculate...
Calculate the molar solubility of compounds in the following conditions: a. MgCO3 (Ksp = 3.49 x 10-8) in a solution containing 0.175 M Na2CO3? b. BaF2 (Ksp = 1.01 x 10-6) in a solution containing 0.125 M KF? c. Ag2CrO4 (Ksp = 1.12 x 10-12) in a solution containing 0.450 M Na2CrO4? d. Cu3(AsO4)2 (Ksp = 7.57 x 10-36) in a solution containing 0.325 M CuCl2? e. Ca3(PO4)2 (Ksp = 1.99 x 10-29) in a solution containing 0.325 M K3PO4?
Hydroxyapatite, Ca10(PO4)6(OH)2 , has a solubility constant of Ksp = 2.34×10−59 , and dissociates according to Ca10(PO4)6(OH)2(s)↽−−⇀10Ca2+(aq)+6PO3−4(aq)+2OH−(aq) Solid hydroxyapatite is dissolved in water to form a saturated solution. What is the concentration of Ca2+ in this solution if [OH−] is fixed at 1.40×10−6 M ?
Hydroxyapatite, Ca10(PO4)6(OH)2 , has a solubility constant of Ksp = 2.34×10−59 , and dissociates according to Ca10(PO4)6(OH)2(s)↽−−⇀10Ca2+(aq)+6PO3−4(aq)+2OH−(aq) Solid hydroxyapatite is dissolved in water to form a saturated solution. What is the concentration of Ca2+ in this solution if [OH−] is fixed at 6.20×10−6 M ? [Ca2+]=