Question 1
What is the molality of a glucose solution prepared by dissolving 18.0 g of glucose, C
6H
12O
6, in 125.9 g of water?
◦ 7.94 × 10
-4 mol kg
-1◦ 0.143 mol kg
-1◦ 0.695 mol kg
-1◦ 0.794 mol kg
-1Question 2
What is the molarity of a saturated solution of potassium sulfate if the solubility is 13 g per 100 g H
2O at 25 °C? The density of the solution is 1.1 g/mL
◦ 0.14 M
◦ 1.1 M
◦ 0.96 M
◦ 0.73 M
◦ 0.79 M