Question

calculate the mass per cent of different elements present in sodium sulphate ​

Answer 1

Answer:

Sodium sulphate is NA2SO4.

Mass % of sodium = 46/142.066 * 100 = 32.4%

Mass % of sulphur = 32.066/ 142.066 * 100 = 22.6%

Mass % of oxygen = 64/142.006 = 45.05%

Answer 2

here is your answer.........