Mole Problems

1. How many moles are present in 125 g of sodium chloride (NaCl)? Ans: 2.15 mol

2. How many moles are present in 230 g of aluminum sulfate (Al2(SO4)3)? Ans: 0.67 mol

3. How many grams are in 3.75 mol of calcium chloride (CaCl2)? Ans: 412.5 g

4. How many grams are in 4.25 mol of dinitrogen trioxide (N2O3)? Ans: 323 g

created on 4/17/2001 by F.J. DeHoratius