Analytical Chemistry Question 265

Question: For preparing one litre $ {N}/{10}; $ solution of $ H_2SO_4, $ we need $ H_2SO_4 $

[DPMT 1982]

Options:

A) 98 gms

B) 10 gms

C) 100 gms

D) 4.9 gms

Show Answer

Answer:

Correct Answer: D

Solution:

$ \frac{1}{10}\ =\ \frac{W\ \times \ 1000}{eq\text{.wt}\ \times \text{ vol}\text{.}}\ =\ \frac{W\ \times \ 1000}{49\ \times \ 1000} $ Þ $ W=4.9gms $