(a)[1]
Define what a base means.
(b)[1]
State what is meant by alkali.
(c)[2]
State the colours shown by thymolphthalein in NaOH(aq) and in CH3COOH(aq).
(d(i))[2]
Identify the substance with the largest concentration of H+(aq) ions. Explain your answer.
(d(ii))[1]
Name an indicator that can be used to identify the substance with the highest concentration of H+(aq) ions.
(e)[3]
Complete the equation to show how ethanoic acid, CH3COOH, dissociates in aqueous solution.
(f)[1]
Write the ionic equation for neutralisation between any acid and any alkali.
(g)[5]
Calculate the concentration of HNO3(aq) in g/dm3 by following the steps given.