The generic metal hydroxide M(OH)2 has Ksp = 5.85×10−18.
A. What is the solubility of M(OH)2 in pure water?
B. What is the solubility of M(OH)2 in a 0.202 M solution of M(NO3)2?
A. ksp = 4s^3 = 5.85*10^(-18)
s = solubility = 1.135*10^(-6) M
B. Ksp = s(2s)^2 = 5.85*10^(-18)
0.202*(2s)^2 = 5.85*10^(-18)
s = solubility = 2.69*10^(-9) M
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