Question

the normality of 4.9%w/w h2so4 solution having density 1.02g/ml is

Answer 1

4.9%w/w means 4.9g h2so4 is present in 100g of solution.so,

density=mass of sol/vol of sol

1.02=100/v now, moles(n) of h2so4 is4.9/98=0.05 . now calculate molarity and hence normality