1£®ÔÚA(g)+2B(g)3C(g)+4D(g)·´Ó¦ÖУ¬ÏÂÁбíʾ¸Ã·´Ó¦ËÙÂÊ×îÂýµÄÊÇ

A£®υ(A)=0.5 mol?L⁻¹?s⁻¹                                B£®υ(B)=0.5 mol?L⁻¹?s⁻¹

C£®υ(C)=0.5 mol?L⁻¹?s⁻¹                                D£®υ(D)=0.5 mol?L⁻¹?s⁻¹