25.1 Ksp - Quiz - Chemistry Notes

A saturated solution of Ca(OH)2 has [Ca2+] = 1.08 x 10^-2 mol dm-3. What is the value of Ksp?

1.17 x 10^-4 mol3 dm-9

5.04 x 10^-6 mol3 dm-9

1.08 x 10^-2 mol3 dm-9

2.16 x 10^-2 mol3 dm-9

For which salt would the solubility product, Ksp, have units of mol4 dm-12?

CaF2

AgCl

Fe(OH)3

BaSO4

For which salt would Ksp be expressed in units of mol4 dm-12?

AgCl

Ca(OH)2

Fe(OH)3

BaSO4

Which expression correctly gives the solubility product, Ksp, for Fe2S3?

[Fe3+]^2[S(2-)]^3

[Fe3+]^3[S(2-)]^2

[Fe2+]2[S(2-)]3

[Fe3+][S(2-)]

A sparingly soluble salt has the formula X3Y2 and dissociates completely in water. If its molar solubility is s mol dm-3, which expression gives its solubility product, Ksp?

108 s^5

6 s^5

36 s^5

s^5