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} $ .



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