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?
◦ 54.0 g
◦ 74.3 g
◦ 87.5 g
◦ 114 g
Question 2
If a solution containing 4 mols of A and 6 mol of B boils at 85 °C and 1 atm of pressure, and the vapor pressure of pure A at 85 °C is 500 mmHg, what is the vapor pressure of pure B at this temperature?
◦ 933 mmHg
◦ 336 mmHg
◦ 260 mmHg
◦ 576 mmHg
◦ 960 mmHg