Question

If 15 liters of 45% solution is to be mixed with 85% solution to make a solution of 57% how much liters do we require of 85% solution.

Answer 1

With 'solution' problems, you have to keep track of how much pure stuff you need. ... 20 liters of 60% acetic acid will have .6*20 = 12 liters of pure acetic acid. ... Reviewing the question, we need to give the complementary answer in terms of ...