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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?
Calculate the mass per cent of calcium, phosphorus and oxygen in calcium phosphate Ca3(PO4)2.
In CH4 the mass % of C and H will be
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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