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A-LevelChemistryAnalytical techniquesOct/Nov 2019Paper 3 Q113 Marks

In this experiment you will determine the concentration of a solution of hydrochloric acid by titration with an alkali. FA 1 is a solution containing 6.00 g dm⁻³ of sodium hydroxide, NaOH. FA 2 is hydrochloric acid, HCl. (This solution is also used in Questions 2 and 3.) methyl orange indicator

Q: What topic does this question test?

This question tests Analytical techniques in A-Level Chemistry (syllabus code 9701). It is worth 13 marks.

📋 Examiner Report & Trap Analysis

Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...

🎯 Mark Scheme Breakdown

Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.

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About This A-Level Chemistry Question

Topic

This structured question tests Analytical techniques in A-Level Chemistry (syllabus code 9701). It is worth 13 marks.

Source

This question appeared in the Cambridge A-Level Chemistry Oct/Nov 2019 examination, Paper 3 Variant 3.

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