Question

A chemist has one solution which is 50% acid and a second which us 25% acid.How much of each should be mixed to make 10 liters of 40% acid solution .

Answer 1

Step-by-step explanation:

(0.25) * (x liters) + (0.50) * ((10 - x) liters) = (0.40) * 10 liters

 x = 4

 So, 4 liters of 25% solution added to 6 liters of 50% solution yields 10 liters of 40% solution.

 

Answer 2

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