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O-LevelChemistryStoichiometry5070/12 · May/June 2023 · Q381 Mark

25.0 cm³ of 1.0mol/dm³ sodium hydroxide is titrated with dilute sulfuric acid, using a suitable indicator. 25.0 cm³ of the sulfuric acid is required to reach the end-point. What is the concentration of the sulfuric acid and which indicator is used?

A0.5; methyl orange
B0.5; universal indicator
C2.0; methyl orange
D2.0; universal indicator

✓ Correct answer

A: 0.5; methyl orange

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About this question

Topic
Stoichiometry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source
O-Level Chemistry, May/June 2023 Paper 1 Variant 2, question 38.

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