Solutions Question 162
Question: What will be the normality of a solution containing 4.9 g. $ H_3PO_4 $ dissolved in 500 ml water [MP PMT 2003]
Options:
A) 0.3
B) 1.0
C) 3.0
D) 0.1
Show Answer
Answer:
Correct Answer: A
Solution:
$ N=\frac{w\times 1000}{E\times volume,inml.} $ , $ E=\frac{98}{3}=32.6 $
$ N=\frac{4.9\times 1000}{32.6\times 500}=0.3N $ .
