Calculate the mass per cent of different elements present in sodium sulphate

contexto.130

3 years ago

Now for $N a_{2} S O_{4}$ .

Molar mass of $N a_{2} S O_{4}$

= [(2 x 23.0) + (32.066) + 4(16.00)]

=142.066 g

Therefore, mass percent of the sodium element:

= 32.379

= 32.4%

Mass percent of the sulphur element:

= 22.57

= 22.6%

Mass percent of the oxygen element:

= 45.049

= 45.05%