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9701 past papers

9701 · topic questions

Acids and bases

Chemistry9 questions

9 past-paper questions on Acids and bases

  • 9701/41 · May/June 20244 marks

    Barium hydroxide, Ba(OH)2, is a strong base. A 250.0 cm³ solution of Ba(OH)2 with a pH of 12.2 is made by dissolving Ba(OH)2 in…

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  • 9701/42 · May/June 20254 marks

    A sample of 0.333 g of strontium oxide, SrO, is completely dissolved in distilled water to form a solution of strontium…

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  • 9701/41 · October/November 20242 marks

    Write two equations to show how a mixture of (Na+)2(HPO42-) and Na⁺(H2PO4¯) can act as a buffer solution. equation 1 equation 2

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  • 9701/41 · May/June 20252 marks

    The value of the acid dissociation constant, Ka, of butanoic acid, CH3CH2CH2COOH, is 1.51 x 10-5 at 298 K. Calculate the pH of…

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  • 9701/41 · May/June 20252 marks

    5.00 cm³ of 0.100moldm-3 NaOH is added to 10.00cm³ of 0.100 moldm-3 CH3CH2CH2COOH. Calculate the pH of the resulting solution.…

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  • 9701/42 · May/June 20252 marks

    The value for the acid dissociation constant, Ka, of HClO(aq) is 3.70 x 10-8. Calculate the concentration, in moldm-3, of…

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  • 9701/41 · May/June 20242 marks

    Buffer solutions are used to regulate pH. Write two equations to describe how a solution containing HC2O4¯ ions acts as a buffer…

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  • 9701/41 · October/November 20242 marks

    Define buffer solution.

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  • 9701/23 · October/November 20242 marks

    Ammonium carbonate undergoes an acid-base reaction with NaOH(aq). Explain this statement.

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Acids and bases (9701) past-paper questions — marked instantly

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Frequently asked questions

How many Acids and bases questions are there for 9701?
This page collects 9 recent Cambridge Chemistry (9701) past-paper questions tagged to Acids and bases. Each links straight to instant marking against the official 9701 scheme.
How are Acids and bases answers marked?
Type or photograph your working and MarkScheme scores it against the real 9701 mark scheme for this topic — method, accuracy and any band descriptors — so you see exactly where the marks are.
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