A chemit ha one olution, 50% acid, and a econd, 25% acid. How much of each hould be mixed to make 10litre of a 40% acid olution?

ValNik asked Sep 7, 2023

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ValNik asked Sep 7, 2023

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24 votes

Answer:

6 liters of the 50% acid, 4 liters of the 25% acid

Explanation:

.5x + .25(10 - x) = .4(10)

.5x + 2.5 - .25x = 4

2.5 + .25x = 4

.25x = 1.5

x = 6

6 liters of the 50% acid

4 liters of the 25% acid

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