[问答题]
1.State the complete balanced equation for the reactiq qps72hjqd3+on between sulphurti6 f5xeri p4:ic acid and coppirf: p54 et6xier (II) oxide.
2.State the complete balanced equation for the reaction between ethanoic acid and potassium carbonate.
3.Outline two ways to monitor the rate of reaction for reaction (b) above.