1) A solution is made by dissolving 0.100 mol of NaCl in 6.30 mol of water. What is the mass percent of NaCl?

2) What are the mole fraction and the mass percent of a solution made by dissolving 8.92 g of KI in

0.400 L

of water (d = 1.00 g/mL)?

3) What are the mole fraction and the mass percent of a solution made by dissolving 4.31 g of KI in

0.400 L

of water (d = 1.00 g/mL)?