Question

$30ml$ of acid solution is neutralized by $15ml$ of a $0.2N$ base. The strength of acid solution is:

• A. $0.1N$
• B. $0.15N$
• C. $0.3N$
• D. $0.4N$

Answer 1

Answer: (A)

$0.1N$

$N_1{V}_1=N_2{V}_2$

$N_1\times 30=0.2\times 15$

$N_1=0.1N$