Asked by Timothy

How many grams of KNO3 (molar mass = 101.103 g/mol) should be used to make 325.0 ml of 0.070 M solution?
Answered by DrBob222
How many moles do you need?
mols = M x L = ?

Then mols = grams/molar mass. You know molar mass and mols, solve for grams.