_______g of MnSO4 H2O are needed to prepare a solution of 100.00mL of 0.100 M MnSO4.

Thank You

3 answers

tried using M1V1=M2V2 but without sucess
You want 100 mL of 0.100 M MnSO4.H2O. How many moles is that? M x L = moles.
How many grams is that? moles = grams/molar mass.
oh thanks I get it now..