1. Determine the freezing point depression of a solution that contains 30.7 g glycerin (C3H8O3, molar mass = 92.09 g/mol) in 376 g of water. K of water is = 1.86°C/m A) 0.887°C B) 1.65°C C) 2.18°C D) 3.33°C E) 0.654°C An aqueous solution is 0.870 M in NaOH. What is the molality of the solution if the density is 1.04 g/mL? A) 0.870 m B) 0.380 m C) 0.318 m D) 0.837 m Choose the aqueous solution below with the lowest freezing point. A) 0.075 m LiCI B) 0.075 m (NH4)3PO4 C) 0.075 m NaBrO4 D) 0.075 m KCN E) 0.075 m KNO2

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1. Determine the freezing point depression of a solution that contains 30.7 g glycerin (C3H8O3, molar
mass = 92.09 g/mol) in 376 g of water. K of water is = 1.86°C/m
A) 0.887°C
B) 1.65°C
C) 2.18°C
D) 3.33°C
E) 0.654°C
An aqueous solution is 0.870 M in NaOH. What is the molality of the solution if the density is 1.04 g/mL?
A) 0.870 m
B) 0.380 m
C) 0.318 m
D) 0.837 m
Transcribed Image Text:1. Determine the freezing point depression of a solution that contains 30.7 g glycerin (C3H8O3, molar mass = 92.09 g/mol) in 376 g of water. K of water is = 1.86°C/m A) 0.887°C B) 1.65°C C) 2.18°C D) 3.33°C E) 0.654°C An aqueous solution is 0.870 M in NaOH. What is the molality of the solution if the density is 1.04 g/mL? A) 0.870 m B) 0.380 m C) 0.318 m D) 0.837 m
Choose the aqueous solution below with the lowest freezing point.
A) 0.075 m LiCI
B) 0.075 m (NH4)3PO4
C) 0.075 m NaBrO4
D) 0.075 m KCN
E) 0.075 m KNO2
Transcribed Image Text:Choose the aqueous solution below with the lowest freezing point. A) 0.075 m LiCI B) 0.075 m (NH4)3PO4 C) 0.075 m NaBrO4 D) 0.075 m KCN E) 0.075 m KNO2
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