Question

How many moles of helium are present in 104 g of he?

Answer 1

he-4g
108/4
27moles
hope this helps

Answer 2

Given:

104 grams of He.

To find:

The number of moles.

Solution:

To determine the number of moles of He we have to follow the below steps as follows-

The atomic mass of Helium or He atom is 4 grams.

So, we can write as follows-

4 grams of He atom have 1 mole.

Hence 104 grams of He atom have 104/4=26 moles.

The number of moles in 104 grams of He is 26.