14. Decomposition of 2.76 g M2CO3 yields 1.88 g M2O. What is the atomic mass of M? (A) 9 (B) 23 (C)

問題詳情

14. Decomposition of 2.76 g M2CO3 yields 1.88 g M2O. What is the atomic mass of M?
(A) 9
(B) 23
(C) 39
(D) 85

參考答案

答案：C

統計：A:0,B:0,C:1,D:0,E:0

難度：計算中

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