A chemist has 6 liters of 60 percent acid. How much water should be added to make a 20 percent acid

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A chemist has 6 liters of 60 percent acid. How much water should be added to make a 20 percent acid

[From: ] [author: ] [Date: 12-04-01] [Hit: ]

V2 = final volume,18 L - 6 L = 12 L water -Chem Wiz is correct,......

i cant figure it out

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Hello,

The equation you should use here is M1V1 = M2V2.

M1 = initial concentration, 60%
V1 = initial volume, 6 L
M2 = final concentration, 20%
V2 = final volume, unknown

(60)(6) = (20)(V2)
V2 = 18 L

18 L - 6 L = 12 L water <<

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Chem Wiz is correct, got 12 aswell

1

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