問題詳情
1. 銅的原子量為63.5g/mol，而銅的密度為8.8 g/cm．試問lcm的銅含有幾個銅原子?
(A)8.3xl021
(B) 8.3xl022
(C) 8.3xl023
(D) 8.3xl024
(E) 8.3xl024。
(A)8.3xl021
(B) 8.3xl022
(C) 8.3xl023
(D) 8.3xl024
(E) 8.3xl024。
參考答案
答案：B[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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