Question

find the no.of moles,
volumes,no.of particles of 10gm substance​

Answer 1

Avogadro's number is defined as the number of elementary particles (molecules, atoms, compounds, etc.) per mole of a substance. It is equal to 6.022×1023 mol-1 and is expressed as the symbol NA.

Answer 2

No of moles = given weight/GMW so,
10/GMW
volume at STP is equals to given volume by 22.4
number of particles is equals n into number of particles present in a molecule of a substance