Solutions Question 181
Question: If $ 20ml $ of $ 0.4N,NaOH $ solution completely neutralises $ 40ml $ of a dibasic acid. The molarity of the acid solution is [EAMCET 1987]
Options:
A) $ 0.1M $
B) $ 0.2M $
C) $ 0.3M $
D) $ 0.4M $
Show Answer
Answer:
Correct Answer: A
Solution:
$ 20\times 0.4=40\times N,\text{or }N=0.2,or,M=\frac{0.2}{2} $
$ =0.1,M $ .
