Question

The molecular mass of SO₂ is 64.
a) Find the mass of 1GMM of SO₂.
b) Find the number of molecules in 1GMM of SO₂.
c) Find out the number of moles of molecules in 320g of SO2.​

Answer 1

Answer:

The molar mass of SO

2

is 32+16+16=64g/mol.

The number of moles of SO

2

present in 64 g of SO

2

is

64

64

=1mol.

1 mole of any substance contains avogadro's number of molecules which is 6.0×10

23

.

Thus, the number of molecules of SO

2

present in 64 g of SO

2

is 6.0×10

23

.