Problema Solution

A chemsit has one solution that is 40% acid and a second that is 32% acid .How many liters of each should be mixed together to get 16L that is 38% acid

Answer provided by our tutors

Let

x = liters of 40% acid solution

y = liters of 32% acid solution

x + y = 16

0.40x + 0.32y = 0.38*16

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x = 12 l of 40% acid solution

y = 4 l of 32% acid solution

12 liters of 40% acid solution and 4 liters of 32% acid solution should be mixed together.