Question

How many moles are present in 60 g of He?​

Answer 1

Answer:

Given mass of He (m) = 60 g

Molar mass of He (M) = 4 g

So number of moles in 60 g of helium = m /M

n = 60/4

n = 15

therefore number of moles in 60 g of He = 15 moles..

I hope it helps.....

Answer 2

Answer:

hey mate the answer is 15 moles ( 60/4) the atomic mass of He = 4