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15 questions
有三種氣體分別由甲、乙、丙三種分子所組成,如圖所示,○為A原子,●為B原子,已知○與●兩原子的質量比為3:2,則甲、乙、丙三種分子的質量比為何?
1:1:1
2:2:1
11:8:7
22:16:7
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