# What is the molar solubility of calcium sulfate in pure water?

##
Ksp=2.4x10-5 for calcium sulfate.

A. What is the molar solubility of calcium sulfate in pure water?

B. What is the mass solubility of calcium sulfate in pure water, expressed in g/L?

Ksp=2.4x10-5 for calcium sulfate.

A. What is the molar solubility of calcium sulfate in pure water?

B. What is the mass solubility of calcium sulfate in pure water, expressed in g/L?

##### 1 Answer

We assess the following equilibrium:

#### Explanation:

And

But since

If we say the solubility of

And thus

Given that

Note that this problem assumes standard conditions of