Question

1gram of hydrigen contains how many molecules​

Answer 1

Answer:

Explanation:

formula is---- no. of moles=given wt of atom/atomic wt of atom

=> no. of moles = 1 /1

=> no.of moles = 1

now another formula is ----- no. of moles = no. of atoms /avogadros constant

=> 1 = no. of atoms /6.022×10^23

so no. of atoms in 1 gram of hydrogen = 6.022×10^23