Question

how many liters of water must be added to 50 liters of a 30% acid solution in order to produce a 20% acid solution

Answer 1

Let x be the water added

Answer 2

.30*50 = .20(50 L +x)
.30*50 - .20*50 L = .20x
.10*50L = .20x
25L = x
Hence, 25 liters of water would need to be added

Answer 3

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Answer 4

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Answer 5

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Answer 6

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Answer 7

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