Ascorbic acid, vitamin C, is a water-soluble vitamin. Its chemical formula is C6H8O6 and its molar mass is 176.07 g / mol. A solution containing 80.5 g of vitamin C dissolved in 210 g of water (MM 18.02) has a density of 1.22 g / mL at 55 ° C. Calculate: a)% weight by volume of vitamin C in the solution. b) parts per million (ppm). c) molality of the solution. d) mole fraction of ascorbic acid (χascorbic acid).
Ascorbic acid, vitamin C, is a water-soluble vitamin. Its chemical formula is C6H8O6 and its molar mass is 176.07 g / mol. A solution containing 80.5 g of vitamin C dissolved in 210 g of water (MM 18.02) has a density of 1.22 g / mL at 55 ° C. Calculate: a)% weight by volume of vitamin C in the solution. b) parts per million (ppm). c) molality of the solution. d) mole fraction of ascorbic acid (χascorbic acid).
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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Ascorbic acid, vitamin C, is a water-soluble vitamin. Its chemical formula is C6H8O6 and its molar mass is 176.07 g / mol. A solution containing 80.5 g of vitamin C dissolved in 210 g of water (MM 18.02) has a density of 1.22 g / mL at 55 ° C. Calculate:
a)% weight by volume of vitamin C in the solution.
b) parts per million (ppm).
c) molality of the solution.
d) mole fraction of ascorbic acid (χascorbic acid).
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