Solutions Question 157
Question: 25ml of a solution of barium hydroxide on titration with a 0.1molar solution of hydrochloric acid gave a litre value of 35 ml. The molarity of barium hydroxide solution was [AIEEE 2003]
Options:
A) 0.07
B) 0.14
C) 0.28
D) 0.35
Show Answer
Answer:
Correct Answer: A
Solution:
For HCl $ M=N=0.1 $
$ N_1V_1=N_2V_2 $ ; $ 25\times N_1=0.1\times 35 $
$ N_1=\frac{0.1\times 35}{25} $ ;
$ \therefore M=\frac{0.1\times 35}{25\times 2}=0.07 $ .
