SOLUTION: what percent of acid is in a mixture of 50 liters of water and 20 liters of acid?

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Question 826348: what percent of acid is in a mixture of 50 liters of water and 20 liters of acid?
Answer by Alan3354(69443) About Me  (Show Source):
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what percent of acid is in a mixture of 50 liters of water and 20 liters of acid?
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The total is 70 liters
% acid = (20/70)*100%