1. The overall Kf for the complex ionAg(NH3)2+ is 1.7 ? 107.The Ksp for AgI is 1.5 ? 10?16. Whatis the molar solubility of AgI in a solution that is 2.0 Min NH3?
[A] 1.3X10^-3
[B] 8.4X10^-5
[C] 1.0X10^-4
[D] 1.5X10^-9
[E] 5.8X10^-12
2. Silver acetate, AgC2H3O2, isa sparingly soluble salt with Ksp = 1.9 ?10?3. Consider a saturated solution in equilibrium withthe solid salt. Compare the effects on the solubility of adding tothe solution either the acid HNO3 or the baseNH3.
[A] Either substance would decrease the solubility.
[B] NH3 would decrease the solubility, butHNO3 would increase it
[C] NH3 would increase the solubility, butHNO3 would have virtually no effect.
[D] Either substance would increase the solubility.
[E] NH3 would increase the solubility, butHNO3 would decrease it.
3. An unknown salt, M2Z, has aKsp of 3.9 ? 10?15. Calculate thesolubility in mol/L of M2Z.
Does this problem have enough information?
1. The overall Kf for the complex ionAg(NH3)2+ is 1.7 ? 107.The Ksp for AgI is 1.5 ? 10?16. Whatis the molar solubility of AgI in a solution that is 2.0 Min NH3?
[A] 1.3X10^-3
[B] 8.4X10^-5
[C] 1.0X10^-4
[D] 1.5X10^-9
[E] 5.8X10^-12
2. Silver acetate, AgC2H3O2, isa sparingly soluble salt with Ksp = 1.9 ?10?3. Consider a saturated solution in equilibrium withthe solid salt. Compare the effects on the solubility of adding tothe solution either the acid HNO3 or the baseNH3.
[A] Either substance would decrease the solubility.
[B] NH3 would decrease the solubility, butHNO3 would increase it
[C] NH3 would increase the solubility, butHNO3 would have virtually no effect.
[D] Either substance would increase the solubility.
[E] NH3 would increase the solubility, butHNO3 would decrease it.
3. An unknown salt, M2Z, has aKsp of 3.9 ? 10?15. Calculate thesolubility in mol/L of M2Z.
Does this problem have enough information?
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