You have a solution which is 45.7% by mass isopropyl alcohol (MM = 60.11 g/mol) in water. The density of this solution is 0.905 g/mL. What is the mole fraction of the isopropyl alcohol in the solution?
You have a solution which is 45.7% by mass isopropyl alcohol (MM = 60.11 g/mol) in water. The density of this solution is 0.905 g/mL. What is the mole fraction of the isopropyl alcohol in the solution?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:You have a solution which is 45.7% by mass isopropyl alcohol (MM =
60.11 g/mol) in water. The density of this solution is 0.905 g/mL.
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What is the mole fraction of the isopropyl alcohol in the solution?
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Step 1
Mass percent of isopropyl alcohol is 45.7%. So, 45.7 g of isopropyl alcohol is present in 100 g of solution. So, the mass of water is 54.3 g.
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