igcse化学题，这题为什么选c？
3.Astudentisaskedtomeasurethetimetakenfor4.00gofmagnesiumcarbonatetoreactcompletelywi...
3. A student is asked to measure the time taken for 4.00 g of magnesium carbonate to react
completely with 25.0 cm3 (an excess) of dilute hydrochloric acid.
Which pieces of apparatus does the student need?
A balance, clock, pipette
B balance, clock, thermometer
C balance, pipette, thermometer
D clock, pipette, thermometer 展开
completely with 25.0 cm3 (an excess) of dilute hydrochloric acid.
Which pieces of apparatus does the student need?
A balance, clock, pipette
B balance, clock, thermometer
C balance, pipette, thermometer
D clock, pipette, thermometer 展开
2个回答
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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
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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