SOLUTION: An 800 g solution of acid and water contains 128 g of acid. What percent of the solution is acid?

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Question 68202: An 800 g solution of acid and water contains 128 g of acid. What percent of the solution is acid?
Answer by Nate(3500) About Me  (Show Source):
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amount of acid / total amount = acidity
128 / 800
0.16 or 16%