Homework Help: Chemistry

Posted by Jessi on Tuesday, March 24, 2009 at 6:00pm.

One liter of 70% alcohol is needed. How much 95% alcohol is required to make the 70% solution. And thank you for last question and any future ones.

Chemistry - bobpursley, Tuesday, March 24, 2009 at 6:10pm
The amount of alcohol added is equal to the final amount of alcohol.
.95V=.7*1
solve for V

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