ChemistryChemical combinationWAEC
How many moles are there in 9.8 g of tetraoxosulphate(VI) acid, H₂SO₄? [H = 1, S = 32, O = 16]
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Answer: B. 0.1
Molar mass = 2 + 32 + 64 = 98 g/mol; 9.8/98 = 0.1 mol.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.