Question 1
What is the osmotic pressure in mmHg of 6.00 L of a 0.108 M solution at 30 °C if three moles of ions are produced in aqueous solution for every mole of solute dissolved?
◦ 8.05 mmHg
◦ 3.68 × 10
4 mmHg
◦ 2.04 × 10
3 mmHg
◦ 0.0612 mmHg
◦ 6.12 × 10
3 mmHg
Question 2
What is the weight percent of a caffeine solution made by dissolving 8.35 g of caffeine, C
8H
10N
4O
2, in 75 g of benzene, C
6H
6?
◦ 0.010%
◦ 0.011%
◦ 10%
◦ 11%