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In the manufacture of NH(3) by Haber pr...

In the manufacture of `NH_(3)` by Haber process `N_(2)(g) + 3H_(2)(g) to 2NH_(3)(g)` the rate of the reaction was measured as -`(d[N_(2)])/(dt) = 2 xx 10^(-4) "mol" L^(-1)s^(-1)`. The rate of the reaction expressed in terms of `H_2` is:

A

`1.0 xx 10^(-4)` mol `dm^(-3) s^(-1)`

B

`2.0 xx 10^(-4)` mol `dm^(-3) s^(-1)`

C

`3.0 xx 10^(-4)` mol `dm^(3)s^(-1)`

D

`4.0 xx 10^(-4)` mol `dm^(-3)s^(-1)`

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