Question

caculate the number of moles in 50g of helium​

Answer 1

Answer:

The number of moles in 50g of Helium is 12.5.

Answer 2

Explanation:

molecular weight of He is 4

$moles = \frac{given \: weight}{molecular \: weight}$

moles= 50/4=12.5mol

hope it helps;)