47. Two solutions of HCl, A and B have concerntrations of 0.5 and 0.1 M respectively. The volume of solutions A and B required to make 2 litres of 0.2 N HCl are
a. 0. 5 L of A + 1.5 L of B
b. 1.5 L of A + 0.5 L of B
c. 1.0 L of A + 1.0 L of B
d. 0. 75 L of A + 1.25 L of B
Ans. a
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