HNO3 used as a reagent has specific gravity of 1.42g/ml and contains 70% by strength HNO3. Calculate

Question

a)Normality Of Acid
b)Volume of acid that contains 63g pure acid
c)Volume of water required to make 1N solution from 2ml conc.HNO3

Answer 1

You have introduced a new term into Chemistry: percent by strength. What in the world is that? Normally, it would be w/w or w/v

Without knowing what you mean, it is not possible to answer the questions.

Answer 2

I too wonder what it means

Answer 3

a)54.6