Question

how much water should mix in 12 ml of alcohol so as to obtain 12% of alcohol solution

Answer 1

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Answer 2

Answer:

88 milliliter water should mix in 12 ml of alcohol so as to obtain 12% of alcohol solution.

Explanation:

Let the volume of the water be x

Volume of alcohol =12 mL

Volume of the solution = x+12

Percentage of solution = 12% by volume

$v/v\%=\frac{\text{Mass of solute}}{\text{Mass of solution}}\times 100$

$12\%=\frac{12 mL}{x+12mL}\times 100$

x = 88 mL

88 milliliter water should mix in 12 ml of alcohol so as to obtain 12% of alcohol solution.