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 $



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