問題詳情
3 .需要鎂和氧氣各多少公克，可以燃燒生成 2公克的氧化鎂？
(A)鎂 1.2 公克、氧氣 0.8 公克
(B)鎂 0.8 公克、氧氣 1.2 公克
(C)鎂 3.0 公克、氧氣 2.0 公克
(D)鎂 2.0 公克、氧氣 3.0 公克。
(A)鎂 1.2 公克、氧氣 0.8 公克
(B)鎂 0.8 公克、氧氣 1.2 公克
(C)鎂 3.0 公克、氧氣 2.0 公克
(D)鎂 2.0 公克、氧氣 3.0 公克。
參考答案
答案：A
難度：計算中-1
書單：沒有書單，新增
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