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Calculate the mass per cent of different elements present in sodium sulphate (Na2SO4).
What is the mass per cent of carbon in carbon dioxide?
In CH4 the mass % of C and H will be
Calculate the percentage composition of H and O in water molecule.
What is the difference between empirical and molecular formula? A compound contains 4.07 % hydrogen, 24.27 % carbon and 71.65 % chlorine. Its molar mass is 98.96 g. Find its empirical and molecular formulas?
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