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Chemistry HL (FE2016)

Acids and Bases

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Chemistry HL (FE2016)

Available time 20 Minute(s)

Which mixture is a buffer solution?

Which combination of acid and base is most likely to have a pH of 8.5 at the equivalence point in a titration?

Acids and Bases

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Available time 20 Minute(s)

01. Question

Level Hard

Maximum Mark 1

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Which mixture is a buffer solution?

25 cm³ of 0.10 mol dm^–3 NH³ (aq) and 50 cm³ of 0.10 mol dm^–3 HCl (aq)

50 cm³ of 0.10 mol dm^–3 NH³ (aq) and 25 cm³ of 0.10 mol dm^–3 HCl (aq)

25 cm³of 0.10 mol dm^–3 NaOH (aq) and 25 cm³ of 0.10 mol dm^–3 HCl (aq)

50 cm³ of 0.10 mol dm^–3 NaOH (aq) and 25 cm³ of 0.10 mol dm^–3 HCl (aq)

End Test