\(d_{\dfrac{O_2}{N_2}}=\dfrac{M_{O_2}}{M_{N_2}}=\dfrac{32}{28}\approx1,14\\ d_{\dfrac{N_2}{O_2}}=\dfrac{28}{32}=0,875\)
=> Chọn B
Đúng 0
Bình luận (0)
\(d_{\dfrac{O_2}{N_2}}=\dfrac{M_{O_2}}{M_{N_2}}=\dfrac{32}{28}\approx1,14\\ d_{\dfrac{N_2}{O_2}}=\dfrac{28}{32}=0,875\)
=> Chọn B