Answer:
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.
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Answer:
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.