Question

How many mole are present in 4g of h2​gas

Answer 1

Answer:2 moles

Explanation:

h2 atomic mass=2g=1 mole

so 4g = 2 moles

Answer 2

Answer:

2 moles

Explanation:

no. of moles =given mass/total mass

h2=2g , given mass =4g

=4/2moles

=2moles