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B£®pH = 8.3µÄNaHCO3ÈÜÒº£ºc(Na+) > c(HCO3) > c(CO32−) > c(H2CO3)

C£®pH = 11µÄ°±Ë®ÓëpH = 3µÄÑÎËáµÈÌå»ý»ìºÏ£ºc(Cl) = c(NH4+) > c(OH) = c(H+)

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            2c(H+) ¨C 2c(OH) = c(CH3COO) ¨C c(CH3COOH)

 

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