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用0.1000mol⼀LNaOH标准溶液滴定20.00mL0.1000mol⼀LHAc溶液,达到化学计量点时,其溶液的pH()。
用0.1000mol⼀LNaOH标准溶液滴定20.00mL0.1000mol⼀LHAc溶液,达到化学计量点时,其溶液的pH()。
2025-03-16 03:34:57
推荐回答(3个)
回答1:
溶液的pH>7,达到化学计量点即中和反应完全进行,此时溶液中的溶质为NaAc,是强碱弱酸盐,水解呈碱性,所以溶液的pH>7
回答2:
这个要用酚酞来检测,所以滴定结果是>7。
回答3:
8.72
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