Homework Help: chemistry

Posted by Fai on Saturday, September 29, 2012 at 12:56am.

A solution of ethanol (C2H50H) in water is prepared by dissolving 76.9ml of ethanol (density0.79g/cm3) in enough water to make 0.25L of solution. What is the molarity of ethanol in this solution

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chemistry - DrBob222, Saturday, September 29, 2012 at 2:51pm
Use density ethanol to calculate grams.
Convert grams ethanol to mols. mols = grams/molar mass.
Then M = mols/L soln.

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