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