常温下,一定量的酸酸与氢氧化钠溶液发生中和反应,当溶液中   

常温下,一定量的酸酸与氢氧化钠溶液发生中和反应,当溶液中       

AcCH3COO=cNa+)时,该溶液一定呈中性

BcCH3COO=cNa+)时,醋酸与氢氧化钠恰好完全中和

CcCH3COO>cNa+>cH+>cOH)时,可能是醋酸过量

DcNa+>cCH3COO>cOH>cH+)时,一定是氢氧化钠过量

答案

A

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