题干

下列事实能说明醋酸属于弱电解质的是
①中和10mL1mol/LCH3COOH溶液需要10mL1mol/LNaOH溶液
②相同条件下,完全相同的两块锌粒分别跟盐酸和醋酸反应,前者的速率快
③0.01mol/L醋酸溶液的pH大于2
④0.1mol/LCH3COONa溶液显碱性

A:①②③

B:②③④

C:②③

D:①④

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B

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A. This makes you less likely to forget the stuff.

B. The best way to do this is to save them on your computer.

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F. Just ball them up or put them at the bottom of the suitcase.

G. Rolling your clothes is the best way to save space for the suitcase.