The freezing point of water is 0.00 °C at 1 atmosphere. How many grams of aluminum sulfate (342.2 g/mol), must be dissolved in 242.0 grams of water to reduce the freezing point by 0.350 °C? Refer to the table for the necessary boiling or freezing point constant. Solvent Diethyl ether Formula Water Ethanol Chloroform CHCl3 Benzene C6H6 Mass= H₂O CH3 CH₂OH Kb (°C/m) Kf(°C/m) 0.512 1.22 3.67 g 2.53 CH3 CH₂ OCH2 CH3 2.02 1.86 1.99 5.12

Chemistry: Principles and Practice
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The freezing point of water is 0.00 °C at 1 atmosphere.
How many grams of aluminum sulfate (342.2 g/mol), must be
dissolved in 242.0 grams of water to reduce the freezing point by
0.350 °C? Refer to the table for the necessary boiling or freezing
point constant.
Solvent
Water
Ethanol
Chloroform CHCl3
Benzene C6H6
Diethyl
ether
Mass=
Formula
H₂O
CH3 CH₂OH
Kb (°C/m) Kf(°C/m)
0.512
g
1.22
3.67
2.53
CH3 CH₂ OCH₂ CH3 2.02
1.86
1.99
5.12
Transcribed Image Text:The freezing point of water is 0.00 °C at 1 atmosphere. How many grams of aluminum sulfate (342.2 g/mol), must be dissolved in 242.0 grams of water to reduce the freezing point by 0.350 °C? Refer to the table for the necessary boiling or freezing point constant. Solvent Water Ethanol Chloroform CHCl3 Benzene C6H6 Diethyl ether Mass= Formula H₂O CH3 CH₂OH Kb (°C/m) Kf(°C/m) 0.512 g 1.22 3.67 2.53 CH3 CH₂ OCH₂ CH3 2.02 1.86 1.99 5.12
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