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 $ .



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