When an aqueous ethanol solution is 95% ethanol by mass, we can immediately deduce that 100 g of the solution contains 95 g of ethanol and 5 g of water. When an aqueous ethanol solution is 95% ethanol by volume, we cannot conclude that 100 mL of the solution contains 95 mL of ethanol and 5 mL of water. Explain why not.
When an aqueous ethanol solution is 95% ethanol by mass, we can immediately deduce that 100 g of the solution contains 95 g of ethanol and 5 g of water. When an aqueous ethanol solution is 95% ethanol by volume, we cannot conclude that 100 mL of the solution contains 95 mL of ethanol and 5 mL of water. Explain why not.
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter15: Solutions
Section: Chapter Questions
Problem 80QAP
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When an aqueous ethanol solution is 95% ethanol by mass, we can immediately deduce that 100 g of the solution contains 95 g of ethanol and 5 g of water. When an aqueous ethanol solution is 95% ethanol by volume, we cannot conclude that 100 mL of the solution contains 95 mL of ethanol and 5 mL of water. Explain why not.
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