問題詳情
46. 同溫同壓下，擴散 50 毫升甲氣體所需的時間是擴散同體積氦氣所需時間的 4 倍，則甲氣體的分子量與下列何者相同？( 原子量：C = 12，O = 16，N = 14，S = 32，He = 4 )
(A) SO2
(B) CO2
(C) NO2
(D) O3
(A) SO2
(B) CO2
(C) NO2
(D) O3
參考答案
答案：A
難度：困難0.304348
統計：A(7),B(1),C(9),D(3),E(0)
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