在四个不同的容器中，分别进行不同条件下的合成氨反应N2(g)+3H2(g) 
2NH3(g)。在相同时间内表示该反应速率最快的是
| A．v(H2)=0．1 mol/(L·s) | B．v(N2)=0．1 mol/(L·s) |
| C．v(N2)=0．2 mol/(L·s) | D．v(NH3)=0．3 mol/(L·s) |
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