Question

what is the percent composition by mass of sulfur in Na2SO4? (molar mass of Na2SO4 is 142 g/mol)

Answer 1

Answer:

percentage composition of sulphur = 32/142*100=16/71*100= 22.535 percentage

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Answer 2

Answer:

Explanation:

Molar mass of Na2SO4=142g/mol

%of S in Na2SO4=32*100/142

=22.5%

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