问题标题:
【igcse化学题,这题为什么选c?3.Astudentisaskedtomeasurethetimetakenfor4.00gofmagnesiumcarbonatetoreactcompletelywith25.0cm3(anexcess)ofdilutehydrochloricacid.Whichpiecesofapparatusdoesthestudentneed?Abalance,clo】
问题描述:
igcse化学题,这题为什么选c?
3.Astudentisaskedtomeasurethetimetakenfor4.00gofmagnesiumcarbonatetoreact
completelywith25.0cm3(anexcess)ofdilutehydrochloricacid.
Whichpiecesofapparatusdoesthestudentneed?
Abalance,clock,pipette
Bbalance,clock,thermometer
Cbalance,pipette,thermometer
Dclock,pipette,thermometer
金能强回答:
A,天平,秒表,移液管.
做碳酸镁和过量稀盐酸反应,应该要这些.天平称重,移液管移盐酸,秒表计时
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