Calculate the molarity and the molality of C3H8O2 for a solution of 20.0 g of C3H8O2 (molar mass 76.09 g/mol) in 80.0 g of water (molar mass 18.02 g/mol). The density of the solution is 1.016 g/mL.

Chemistry

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13 Dec 2019

Calculate the molarity and the molality of C₃H₈O₂ for a solution of 20.0 g of C₃H₈O₂ (molar mass 76.09 g/mol) in 80.0 g of water (molar mass 18.02 g/mol). The density of the solution is 1.016 g/mL.

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Tod ThielLv2

16 Dec 2019

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You form a solution by dissolving 15.39 grams of sodium chloride (molar mass = 58.44 g/mol) into 163.7 grams of water (molar mass = 18.02 g/mol). The total volume of the solution is 180.1 mL.

Part #1:

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Part #2:

What is the mass percent of sodium chloride in this solution?

Part #3:

What is the mole fraction of sodium chloride in this solution?

Part #4:

What is the molality of sodium chloride in this solution?

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