皮皮学，免费搜题
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搜题
【单选题】
用非水溶液滴定法测定生物碱氢卤酸盐时,加入醋酸汞的目的是()。A.
除去杂质干扰
B.
消除氢卤酸根影响
C.
增加酸性
D.
消除水分影响
E.
增加pK
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
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