What mass of MgSO4 · 7H2O is required to

prepare 300 mL of a 0.61 M MgSO4 solution?
Answer in units of g

1 answer

How many mols MgSO4.7H2O do you want? That is M x L = ?
1 mol MgSO4 = 1 mol MgSO4.7H2O
Convert mols MgSO4.7H2O to grams. g = mols x molar mass MgSO4.7H2O