Homework Help: Chemistry

Posted by Tasha on Tuesday, February 1, 2011 at 7:27pm.

Rubbing alcohol is a 90 mass % solution of isopropyl alcohol, C3H8O, in water.

How many grams of rubbing alcohol contains 20.0 g of isopropyl alcohol?

Chemistry - DrBob222, Tuesday, February 1, 2011 at 10:33pm
100 g soln x (20/90) = ??

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