Question

Calculate the mass % of sulphur in sodium sulphate Na2So4

Answer 1

The mass of :
Na²SO⁴ is 142.04
in which the mass of S is 32.1
(142.04/32.1)*100=44.2%
{ if you have the answer it will come close to 44.2 % coz the molar mass is different I have taken with decimal }
hope it helps.... :)

Answer 2

I thick this is crt way to answer. this is correct answer