charmhoward5925 charmhoward5925

20-01-2018
Chemistry

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How much water should be added to 20 ml of 20% alcohol solution to reduce the concentration to 10%?

Respuesta :

mindi14 mindi14

01-02-2018

20 more ml using inverse ratio method
20 : 20%
x : 10%

(20 × 20) ÷ 10 =40
40 - 20= 20

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