How many litres of 6% acid solution must be mixed with 120 gallons of 20% acid solution to obtain an acid solution that is 16%?

Options
- 24 litres
- 36 litres
- 48 litres
- 54 litres

CORRECT ANSWER : 48 litres

Discussion Board
48 Litres

Let X liters 6%acid solution be mixed.

6*X + 20*120 = 16*(X+120)

6*X + 2400 = 16X + 1920

480 = 10*X

X = 48


Kishan Yadav 12-8-2021 12:48 AM

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