Question

16 gram oxygen has more number of molecules than 2 gram H2

Answer 1

hi friend
here's your answer looking for

as we know that one mole of any element will contained the constant number of element that is
$\\ 6.022 \times {10}^{23}$
so,
according to the mole concept,
one mole of Oxygen will weigh 16gm and contain
$\\ 6.022 \times {10}^{23}$


and one mole of H2 molecule will weight 2gm and contains


$6.022 \times {10}^{23}$

so, both will contain equal amount of particles or molecule.

hope you are satisfied with my answer