Find the percentage of water in copper sulfate pentahydrate ?

Question

Find the percentage of water in copper sulfate pentahydrate ?

 

Answer 1

The molecular weight of water is 18.01528 g/mol

 

The moelcular weight of copper sulfate pentahydrate is 249.677 g/mol

 

There are 5 water molecules in the compound.

 

So 5 * 18.01528/249.677 = 36.0771%