9701 · topic questions
Acids and bases
9 past-paper questions on Acids and bases
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…
Practise the full question →A sample of 0.333 g of strontium oxide, SrO, is completely dissolved in distilled water to form a solution of strontium…
Practise the full question →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
Practise the full question →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…
Practise the full question →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.…
Practise the full question →The value for the acid dissociation constant, Ka, of HClO(aq) is 3.70 x 10-8. Calculate the concentration, in moldm-3, of…
Practise the full question →Buffer solutions are used to regulate pH. Write two equations to describe how a solution containing HC2O4¯ ions acts as a buffer…
Practise the full question →Define buffer solution.
Practise the full question →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
These are real Cambridge Chemistry past-paper questions on Acids and bases. Open one, attempt it, then upload your working — MarkScheme grades it against the official 9701 mark scheme so you see exactly where the marks are won and lost on this topic.
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