What is the percent by volume of isopropanol in a 100 ml solution that contains 25 ml isopropanol *?

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What is the percent by volume of isopropanol in a 100 ml solution that contains 25 ml isopropanol *?

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Answer:

27.8%

The % by volume = 25 m l/90 m l (x100%) = 27.8% by volume.

Explanation:

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