How much water should be added to 10ml of 7% alcohol solution to reduce the concentration to 5%

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asked Jan 8, 2019 3.7k views

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Aniket Tiwari · Answer 1 · 2019-01-12T23:58:12+0000

we can assume that we added in Xml water, because the 7%alcohol is unchanged, so we can get the equation of: 0.7/(10+X)=5%, than we can know the X=4ml

How much water should be added to 10ml of 7% alcohol solution to reduce the concentration to 5%

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