25 g of sulphuric acid contains 1.6g of sulphur,0,1g of hydrogen and rest oscygen calcul
the mass percentage composition of all elements of sulphuric acid (5)
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The percent composition of a compound is the percent of total mass made up by a ... The hydrogens make up 2g (since each mole of hydrogen is 1g) ... O = (16g/18g) x 100 = 88.9% ... percent composition from experimental data for a reaction of iron and oxygen ... Element X = 20.0 g X / 80.0 g total x 100% = .250 or 25.0 %
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