Question

calculate the volume of water that should be added to 12ml of alcoholto make its concentration 40% volume/volume​

Answer 1

Answer:

30 m

Explanation:

$\frac{40}{100} = \frac{12 \: ml}{x \: ml} \\ \\ x = 30 \: ml$

Answer 2

Answer:

30 m

Explanation:

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