Given that,
Ksp = 2.2 x 10-20
Temperature = 250C
Let us consider a reaction,
Cu(OH)2 Cu2+ + 2OH-
Ksp = [Cu2+] [OH-]2
Let solubility be S
2.210-20 = S (2S)2
= S 4S2
= 4S3
S3 = 2.210-20 / 4
S = 1.76 10-7
The molar solubility of Cu(OH)2 = 1.76 10-7 mol/L
The gram solubility of Cu(OH)2 = Solubility x Molar mass
= 1.76 10-7 x 98 g / mol
= 1.7 10-5 g/L
Ksp for copper (II) hydroxide, Cu(OH)2, is 2.2x10-20 at 25°C. Calculate the molar (in mol/L) and...
Ksp for copper (II) hydroxide, Cu(OH)2, is 2.2x10-20 at 25oC. Calculate the molar (in mol/L) and gram solubility (in g/L) of copper (II) hydroxide. (Report your answers in scientific notation.)
what is the molar solubility of cu(oh)2 in 0.001 M NaOH? Ksp= 2.2x10^-20
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