小明欲測定金屬M之原子量。他將該金屬之氧化物（化學式MO3 ）6克在高溫下完全分解，剩下的金屬質量為12克，若氧的原子量為16，則M之原子量為多少？　(A)(B)(C)(

問題詳情

3.小明欲測定金屬M之原子量。他將該金屬之氧化物（化學式MO3 ）1.6克在高溫下完全分解，剩下的金屬質量為1.12克，若氧的原子量為16，則M之原子量為多少？　
(A)
(B)
(C)
(D)
(E)112。

參考答案

答案：E
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

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