Calculate the mass of copper (ii) sulphate which needs to be used to prepare 500cm³ of a 0.1M solution.

Answer 1

I assume you want to prepare 500 cc of the CuSO4. How many mols do you want? That's M x L = 0.1 x 0.500 = ?
Then convert to grams. g = mols x molar mass = ?

Answer 2

0.05