Question

The number of gm atoms of oxygen present in 0.2 mole of H2S,O, is
0.2

Answer 1

$\huge\mathfrak{\bf{\underline{\underline{\blue{Answer \ :}}}}}$

Molar mass of H2SO4 = 98 g

As we know, Molecular weight of a substance =1 mole

Weight of a substance = Number of moles×Molecular weight =0.2×98=19.6 g.