Question

ratio of molecules for 9 grams of h2 and 49g of h2s04

Answer 1

Explanation:

Weight of H

2

SO

4

=w=49g

Molar mass of H

2

SO

4

=M=98g/mol

∴ number of moles of H

2

SO

4

=n=

M

w

=

98

49

=0.5

There are 7 atoms in the H

2

SO

4

∴ total number of atoms =7×n×6.022×10

23

=7×0.5×6.022×10

23

=7×3.02×10

23