What is the SI unit of amount of substance?
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Q&A
Calculate the mass percentage of different elements present in sodium sulphate (Na2SO4).
Molar mass of Na2SO4 = 142 g
% Na = 32.4%
% S = 22.5%
% O = 45.1%
% Na = 32.4%
% S = 22.5%
% O = 45.1%
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