题目内容

0.09 mol·L-1酒石酸溶液的pH（pKa1=3.04，pKa2=4.37）为2.04。

A. 对
B. 错

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0.20mol·L-1NaCO3的pH（H2CO3的pKa1=6.38，pKa2=10.25）为11.77。（）

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