Solutions Question 155
Question: 5 ml of N HCl, 20 ml of N/2 $ H_2SO_4 $ and 30 ml of N/3 HNO3 are mixed together and volume made to one litre. The normally of the resulting solution is [Kerala CET (Med.) 2003]
Options:
A) $ \frac{N}{5} $
B) $ \frac{N}{10} $
C) $ \frac{N}{20} $
D) $ \frac{N}{40} $
E) $ \frac{N}{25} $
Show Answer
Answer:
Correct Answer: D
Solution:
$ NV=N_1V_1+N_2V_2+N_3V_3 $ or, $ 1000N=1\times 5+\frac{1}{2}\times 20+\frac{1}{3}\times 30 $ or $ N=\frac{1}{40} $ .
