The vapour pressure of water at 50.0°C is 92.50 torr. When 12.6 g of glycerol are dissolved in 494 g of water, the vapour pressure is lowered to 92.04 torr. (a) What is the molar mass of glycerol? (b) What is the molecular formula of glycerol (a compound containing C, H, and O) from the following combustion analysis: when 2.00 g glycerol are combusted, 2.865 g CO₂ and 1.564 g H₂O are recovered.

The vapour pressure of water at 50.0°C is 92.50 torr. When 12.6 g of glycerol are dissolved in 494 g of water, the vapour pressure is lowered to 92.04 torr. (a) What is the molar mass of glycerol? (b) What is the molecular formula of glycerol (a compound containing C, H, and O) from the following combustion analysis: when 2.00 g glycerol are combusted, 2.865 g CO₂ and 1.564 g H₂O are recovered.

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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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