Chemistry · Unit 3 · Chemical equilibrium systems · Chemical equilibrium

Discriminate between the terms end point and equivalence point.

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Question 1

A student performs a titration of 25.0 mL of 0.100 M hydrochloric acid (HCl) with 0.100 M sodium hydroxide (NaOH) using phenolphthalein as the indicator. At 24.8 mL of NaOH added, the solution turns faintly pink. At 25.0 mL of NaOH added, stoichiometric neutralisation is complete. Distinguish between the end point and the equivalence point for this titration.

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