Solutions Question 241
Question: What weight of ferrous ammonium sulphate is needed to prepare 100 ml of 0.1 normal solution (mol. wt. 392) [CPMT 1983]
Options:
A) 39.2 gm
B) 3.92 gm
C) 1.96 gm
D) 19.6 gm
Show Answer
Answer:
Correct Answer: B
Solution:
$ w=\frac{0.1\times 100\times 392}{1000}=3.92,g $
