igcse化学题,这题为什么选c?3.A student is asked to measure the time taken for 4.00 g of magnesium carbonate to reactcompletely with 25.0 cm3 (an excess) of dilute hydrochloric acid.Which pieces of apparatus does the student need?A balance,clo

来源：学生作业学帮网 编辑：学帮网 时间：2024/07/05 05:42:54

igcse化学题,这题为什么选c?
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

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

igcse化学题,这题为什么选c?3.A student is asked to measure the time taken for 4.00 g of magnesium carbonate to reactcompletely with 25.0 cm3 (an excess) of dilute hydrochloric acid.Which pieces of apparatus does the student need?A balance,clo 高中化学题.第二题为什么选A. 化学题一道,这题为什麽不选c? 化学题一道,这题为什麽不选c? 这题为什么选C. 这题为什么选C., 这题为什么选c 这题为什么选c 这题为什么选C 这题为什么选c 这题为什么选C 这题为什么选c, 这题为什么选C? 这题为什么选c? 这题为什么选a不选c? 这题为什么不选A选C? 这道题为什么选c不选a 这道题为什么选c,a为什么错了