Pharmaceutics question: 2. An aqueous solution of glycerin, 7.00% by weight, is

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prepared? The solution is found to have a density of 1.0149 g/cm3 at 20C. The molecular weight of glycerin is 92.0473 and its density is 1.2609 g/cm3 at 20C. What are the:
a.molarity,
b.molality, and
c.percent by volume?
 
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