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【单选题】
Ph 玻璃电极产生酸误差的原因是
A.
玻璃电极在强酸溶液中被腐蚀
B.
H + 活度高,它占据了大量交换点位, Ph 值偏低
C.
H+ 与 H 2 O 形成 H 3 O + ,结果 H + 降低, Ph 增高
D.
在强酸溶液中水分子活度减小,使 H + 传递困难, pH 增高
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B.
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