Question

Whats is the percent by volume of isopropanol in a 90ml solution that contains 25ml isopropanol?

Answer 1

Answer:

27.8%

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

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Answer 2

Answer:27.8% isopropanol

Explanation:% by volume means how much volume out of 100 ml is the isopropanol. So, you have 90 mls of total solution, and of that, 25 mls is isopropanol. The % by volume = 25 ml/90 ml (x100%) = 27.8% by volume.