Question
OCR Paper C2 (Higher) — PAG C4
A student titrates 25.0 cm³ of 0.150 mol/dm³ NaOH against H₂SO₄. The mean concordant titre is 18.75 cm³.
Calculate the concentration of the H₂SO₄, in mol/dm³, to 3 s.f. The equation is 2NaOH + H₂SO₄ → Na₂SO₄ + 2H₂O. (4 marks)
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Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.