ChemistryAcids, bases and saltsJAMB
How many moles of sodium hydroxide are needed to neutralise 20 cm³ of 0.1 mol/dm³ tetraoxosulphate(VI) acid?
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Answer: C. 0.004 mol
Moles of H₂SO₄ = 0.002; each needs 2 NaOH, so 0.004 mol.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.