(a) A 2.300 molal solution of KCl is prepared. How many grams of KCl are present in a sample containing 5.000 kg of water? (b) Determine the freezing point depression of a solution that contains 30.7 g glycerin (C3H8O3, molar mass = 92.09 g/mol) in 376 mL of water. Some possibly useful constants for water are Kf = 1.86°C/m and Kb = 0.512°C/m.
(a) A 2.300 molal solution of KCl is prepared. How many grams of KCl are present in a sample containing 5.000 kg of water? (b) Determine the freezing point depression of a solution that contains 30.7 g glycerin (C3H8O3, molar mass = 92.09 g/mol) in 376 mL of water. Some possibly useful constants for water are Kf = 1.86°C/m and Kb = 0.512°C/m.
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Chapter1: Chemical Foundations
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(a) A 2.300 molal solution of KCl is prepared. How many grams of KCl are present in a sample containing 5.000 kg of water?
(b) Determine the freezing point depression of a solution that contains 30.7 g glycerin (C3H8O3, molar mass = 92.09 g/mol) in 376 mL of water. Some possibly useful constants for water are Kf = 1.86°C/m and Kb = 0.512°C/m.
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