Question

A 100 litre solution of acid and water contains 20 litre of acid how much water must be added to make the solution 16% acidic​

Answer 1

Answer:

25 litre water

Step-by-step explanation:

water to acid is 4:1

later 84:16 means 21:4 or 5.25:1

hence total is 6.25*20 = 125

water added = 125 - 100 = 25