無聊玩下 DSE Chemistry 答案係comment (1) Both HCl and CH3COOH are monobasic. (2) Hydrogen bond exists between HCl molecules (3) 25 cm^3 pH 1.0 HCl(aq) and CH3COOH(aq) require same volume of NaOH(aq) for complete neutralisation.

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2025-02-04 09:56

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Jason
_j_a_.s._o_n_

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4 分鐘內	Jason _j_a_.s._o_n_	Ans ：A （1） is correct (2) is incorrect Hydrogen bond would only form when H is bonded with a highly electronegative atom (N, O, F) (3) is incorrect In this case, the concentration of H+ is same in both solution. However, since CH3COOH is a weak acid, it would further ionise to produce more H+ ions during neutralisation until all CH3COOH is reacted, thus requiring greater volume of NaOH(aq) for complete neutralisation
5 分鐘內	Jason _j_a_.s._o_n_	Btw for (3), it should be 25.00 cm^3