Question

Hydrocloric acid solution A and B have concentration of 0.5N and 0.1N respectively the volume of solution A and B required to make 2 liters of 0.2N hydrocloric acid are

Answer 1

n1v1 + n2v2 = NV then 0.5 × v1 +0.1 ×v2 = 0.4 then eq is 5v1+v2 = 4 and other eq is v1+v2 = 2 then solve v1 = 1/2 l and v2= 3/2 l