Chemistry · May / June 2024 · Paper 12 · Question 9
5070The mole and the Avogadro constant
In a volumetric experiment, 25.0 cm³ of 0.100 mol/dm³ sodium hydroxide reacts exactly with 20.0 cm³ of dilute sulfuric acid. 2NaOH + H₂SO₄ → Na₂SO₄ + 2H₂O What is the concentration of the dilute sulfuric acid?
- A0.0625 mol/dm³
- B0.0800 mol/dm³
- C0.125 mol/dm³
- D0.250 mol/dm³
As printed in the paper
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Correct answer: A. 0.0625 mol/dm³
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