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Calculate the mass per cent of different elements present in sodium sulphate (Na 2 SO 4 ).



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


(Na2SO4).


Grade:11

1 Answers

Amit Saxena
35 Points
7 years ago

The molecular formula of sodium sulphate is.

Molar mass of  = [(2 × 23.0) + (32.066) + 4 (16.00)]

= 142.066 g

Mass percent of an element



∴ Mass percent of sodium:

 

Mass percent of sulphur:

 

Mass percent of oxygen:

 

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