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May 23, 2015

Homework Help: Chemistry

Posted by Fai on Monday, July 30, 2012 at 10:34pm.

How much ethanol C2H50H in liters d=0.789g/ml must be dissolved in water to produce 190.5 of 1.65M c2H50H ? Molarity problem. Who helps me to solve it for me.

My calculation
0.789g/ml x 1000ml/46.06 = 17.12M
17.12M = 190.5 x 1.65
17.12M = 314.325
x= 314.325/17.12
x = 18.36ML I am not sure the answer.

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