Question

An aqueous solution of fructose (MM = 180.2 g/mol) has a molality of 1.81 m and a density of 1.30 g/mL. What is the molarity of fructose in the solution?

 

An aqueous solution of glucose (MM = 180.2 g/mol) has a molality of 8.39 m and a density of 1.20 g/mL. What is the molarity of glucose in the solution?

 

A 83.5 g sample of a nonelectrolyte is dissolved in 364.9 g of water. The solution is determined to have a boiling point of 102.3 °C. What is the molar mass of the compound? (Kb for water is 0.510 °C/m).

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