問題詳情

20. It took 2 min for 0.20 L of H2 to effuse through a pin hole. How long will it take (in min) for 0.10 L of O2 to effuse under identical conditions?
(A) 2
(B) 4
(C) 8
(D) 16

參考答案

答案:B

統計:A:0,B:1,C:0,D:0,E:0

難度:計算中