Some Basic Concepts Of Chemistry Question 227
Question: The solution of sulphuric acid contains 80% by weight $ H _2SO _4 $ . Specific gravity of this solution is 1.71. Its normality is about [CBSE 1991]
Options:
A) 18.0
B) 27.9
C) 1.0
D) 10.0
Show Answer
Answer:
Correct Answer: B
Solution:
$ N=\frac{10\times sp\text{. gr}\text{. of the solution}\times wt\text{. }\text{ of solute}\times Mol\text{. wt}\text{.}}{\text{Molecular wt}\text{. of solute}\times Eq\text{. wt}\text{.}} $
$ N=\frac{10\times 1.71\times 80\times 98}{98\times 49}=27.9 $
