Question 1
How much water must be added to 40.0 g of CaCl
2 to produce a solution that is 35.0 wt% CaCl
2?
◦ 87.5 g
◦ 74.2 g
◦ 54.0 g
◦ 114 g
Question 2
A solution of LiCl in water is 20.0 wt% LiCl. What is the mole fraction of LiCl? Assume the density of the solution is 1.00 g mL
-1.
◦ 0.0960
◦ 4.44
◦ 0.106
◦ 0.472