Acid-base titration — KCSE Chemistry
KCSE Chemistry · 89 practice questions · 4 syllabus objectives
What You'll Learn
Key learning outcomes for this topic, aligned to the KNEC KCSE syllabus.
Describe the procedure for an accurate acid-base titration including choice of indicator
Calculate the concentration of an acid or base given titration data using c₁V₁/n₁ = c₂V₂/n₂
Calculate the number of moles, mass or volume of a substance from titration results
Acid-base titration
Sample Questions
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In the context of quantitative analysis in chemistry, the process of determining the concentration of an unknown solution through a systematic procedure is essential. This exercise explores fundamental concepts and apparatus involved in this analytical technique. (a) Define the term titration. (2 marks) (b) Name the apparatus used to measure the volume of the acid added during a titration. (1 mark) (c) State one indicator suitable for a strong acid-strong base titration. (1 mark)
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Define the procedure for conducting an accurate acid-base titration, including the choice of a suitable indicator. (3 marks)
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State the purpose of using a pH indicator during an acid-base titration. (2 marks)
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In a titration, 40.0 cm³ of hydrochloric acid (HCl) was neutralized by 60.0 cm³ of a sodium hydroxide (NaOH) solution. If the concentration of NaOH is 0.25 M, calculate the concentration of the HCl solution. (4 marks)
Why Practise Acid-base titration?
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