常温下,0.1mol/L醋酸溶液的pH=3。将该温度下0.2 mol/L醋酸溶液和0.2mol/L醋酸钠溶液等体积混合后,混合液的pH=4.7,下列说法正确的是:A.该温度下,0.0lmol/L醋酸溶液的pH=4B.该温度下,用0.1mol/L醋酸和0.01 mol/L醋酸分别完全中和等体积0.1 mol/L的NaOH溶液,消耗两醋酸的体积比为1∶10C.该温度下,0.01mol/L醋酸溶液中由水电离出的c(H+)=10-11mol/L D.该温度下,0.2mol/L醋酸溶液和0.2mol/L醋酸钠溶液等
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