Question

How many molecules are there in a 3.53-g sample of HCl?

Answer 1

Explanation:

ANSWER

1 mole of Hydrochloric acid (36.5g) of hydrochloric acid cntains 6.625×10

23

molecules of HCl

Then 3.46g of HCl contains

36.5

3.46×6.625×10

23

=0.628×10

23

molecules of Hcl.