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【多选题】
某同学要用滴定管移取48.00 mL10%高锰酸钾溶液,下列操作正确的是( )。
A.
选用50.00 mL碱式滴定管,检测滴定管密合性。
B.
移取溶液前应用细小的的刷子洗净滴定管,并用高锰酸钾溶液润洗2~3次,确保移取的溶液的浓度不变。
C.
移取液体时,由储液瓶直接灌入,快到0刻度线时,用滴管加入直至0刻度线。
D.
读数时,视线应与液面两侧的最高点相切。
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