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December 18, 2014

Homework Help: chemisrty

Posted by lyan on Monday, January 16, 2012 at 4:45pm.

Q1) A solution of ascorbic acid (C6H8O6, Formula mass = 176 g/mol) is made up by dissolving 80.5 g of ascorbic acid in 210 g of water, and has a density of 1.22 g/mL at 55 oC. Calculate the following:

a) the mass percentage of ascorbic acid
b) the mole fraction of ascorbic acid
c) the molality of the solution
d) the molarity of ascorbic acid in this solution

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