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Calculate the mass per cent of different elements present in sodium sulphate Na_{2}SO_{4}
CBSE | Chemistry | Class 11 | NCERT | Some Basic Concepts of Chemistry
Calculate the mass per cent of different elements present in sodium sulphate Na_{2}SO_{4}

Now for .

Molar mass of

= [(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%

i

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