Question 1
What is the osmotic pressure of a solution that contains 13.7 g of propyl alcohol (C
3H
7OH) dissolved in enough water to make 500. mL of solution at 27°C?
◦ 0.0100 atm
◦ 0.0140 atm
◦ 0.0370 atm
◦ 0.456 atm
◦ 11.2 atm
Question 2
What is the percent by mass of a Na
2SO
4 solution in water with a mole fraction of Na
2SO
4, X = 0.350 ?
◦ 2.76%
◦ 4.25%
◦ 19.1%
◦ 73.4 %
◦ 80.9%