SOLUTION: a chemist has 600 ml of a solution that is half acid. she needs 70% oof acid. how much acid should she add?
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Question 315380: a chemist has 600 ml of a solution that is half acid. she needs 70% oof acid. how much acid should she add?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = ml of acid to be added
In words:
(final ml of acid)/(total ml of solution) = 70%
She must add 400 ml of acid
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