ksp= 8x10-12 A 350.0 mL sample of a saturated solution of Zn(CN)2 is at equilibrium at...
Determine [Zn2 ], [CN–], and [HCN] in a saturated solution of Zn(CN)2 with a fixed pH of 2.160. The Ksp for Zn(CN)2 is 3.0 × 10–16. The Ka for HCN is 6.2 × 10–10. Hint: Use the systematic treatment of equilibrium to solve this problem. 1. Write the pertinent reactions. 2. Write the charge balance equation. 3. Write the mass balance equations. 4. Write the equilibrium constant expressions for each reaction. 5. Count the equations and unknowns. 6. Solve for...
Determine [Zn2+], [CN-], and [HCN) in a saturated solution of Zn(CN), with a fixed pH of 1.250. The Ksp for Zn(CN), is 3.0 x 10-16. The K, for HCN is 6.2 x 10-10. [Zn²+] = M [HN] = | M [CN-] = M
Determine [Zn2+], [CN−], and [HCN] in a saturated solution of Zn(CN)2 with a fixed pH of 2.340. The Ksp for Zn(CN)2 is 3.0×10−16. The Ka for HCN is 6.2×10−10.
Determine the molar solubility (S) of Zn(CN)2 in a solution with a pH=5.06. Ignore activities. The Ksp for Zn(CN)2 is 3.0×10−16 TheKa for HCN is 6.2×10−10
1) A 10.0 mL sample of saturated calcium hydroxide solution is titrated using 0.0149 mol/L hydrochloric acid. To reach the titration endpoint, 31.31 mL of hydrochloric acid is required. What is the molar solubility of calcium hydroxide, in mol/L, at the temperature of the experiment? Provide your answer to the correct number of significant figures. 2) A 10.0 mL sample of saturated calcium hydroxide solution is titrated using 0.0072 mol/L EDTA. To reach the titration endpoint, 33.32 mL of EDTA...
12 – A solution of 0.060 M NaF (75 mL) is mixed with 0.15 M Sr(NO3)2 (25 mL). Calculate the concentrations of each ion after equilibrium is achieved given Ksp for SrF2 = 2.0 x 10-10.Hint: The ion exchange reaction to produce SrF2 can be considered to go to completion before equilibrium is reestablished starting from the products, much as we’ve done for titration calculations at the equivalence point 13 – a) Calculate the molar solubility of hydroxyapatite given Ksp...
2. Solubility and Ksp of saturated CallO3)2 in o.0100 M KIO3 About 30-35 mL of this saturated solution was filtered. Two 10.00 mL samples of this solution were combined with -2 g KI, -50 mL of H20, and 10 mL 1.0 M HCL Each solution was titrated with standard thisolulfate solution (0.04913 M) exactly as in part 2 to a colorless end-point. The following data was collected Trial 1 Trial 2 Vr 23.79 mL 47.64 mL V- 0.00 mL 23.79...
The following questions involve the following equilibrium system: Cd(OH)2 (s) ----> Cd2+ (aq) + 2OH- (aq) Write the solubility product constant expression for a saturated solution of Cd(OH)2. Determine the molar solubility of Cd(OH)2. The Ksp value for Cd(OH)2 is 1.2 x 10-14. If a 100.0 mL sample of the saturated solution of Cd(OH)2 is titrated with 0.00100 M HCl, how many mL of HCl would be required to neutralize this solution? Write the molecular, complete ionic, and net...
7.Calculate the molar solubility for the binary salt MX3 with Ksp=0.0000071. Enter your answer as a decimal number with two significant figures. 8.Calculate the molar solubility of the binary salt MX2 with Ksp=0.000016. Enter your answer as a decimal with two significant figures. 9. Calculate the molar solubility of MX2 (Ksp=0.0000011) in 0.085 M NaX. Enter your answer as a decimal with two significant figures. 10.Determine the molar solubility of MX (Ksp=4.2x10-8) in 0.083 M NaCN. The metal ion M+...
can someone explain? A 10.0 mL sample of saturated calcium hydroxide solution is titrated using 0.0153 mol/L hydrochloric acid. To reach the titration endpoint, 30.68 mL of hydrochloric acid is required. What is the molar solubility of calcium hydroxide, in mol/L, at the temperature of the experiment? Provide your answer to the correct number of significant figures. Your Answer: Answer units