A chemist is using 371 milliliters of a solution of acid and water. If 19.3% of the solution is acid, how many milliliters of acid are there? Round your answer to the nearest tenth.
Question
A chemist is using 371 milliliters of a solution of acid and water. If 19.3% of the solution is acid, how many milliliters of acid are there? Round your answer to the nearest tenth.
Solution
To find out how many milliliters of acid are in the solution, you need to multiply the total volume of the solution by the percentage of the solution that is acid.
Here are the steps:
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Convert the percentage of acid to a decimal by dividing it by 100. So, 19.3% becomes 0.193.
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Multiply the total volume of the solution by the decimal. So, 371 milliliters * 0.193 equals 71.563 milliliters.
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Round your answer to the nearest tenth. So, the solution contains approximately 71.6 milliliters of acid.
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