What is the molar mass of anhydrous salt in CuSo4 5H2O

Answer 1

Anhydrous salt = CuSO4

Cu: 63.55g/mol
S: 32.07g/mol
O: 4(16.00g/mol)

So:
63.55g/mol
32.07g/mol
+64.00g/mol
=159.62g/mol