How many grams are there in 3.4 x 10^24 atoms of He? Group of answer choices
2.07
5.7 g
0.57 g
20.7

Given :

Number of He atoms, atoms.

To Find :

How many grams are their in given number of He atoms.

Solution :

We know, molecular mass of He is 4 g. It means that their are atoms in 4 g of He.

Let, number of gram He in atoms is x , so :

Therefore, grams of He atoms is 22.58 g .

its mg hope this