Question

a chemist has 30% and 60% Solutions of acid available how many liters of each solution should be mixed to obtain 120 liters of 34% acid solution

Answer 1

104 litres of 30% solution and 16 litres of 60% solution.

Explanation:

Let us call x the litres of 30% solution and y the litres of 60% solution.

Now, we know that the end result is 120 litres of a solution; therefore, we have

`x+y=120`

Morover, we are also