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When He(g) is added in the following equ...

When He(g) is added in the following equilibrium at constant volume
`N_2(g)+3H_2(g)hArr2NH_3(g)`
Then select the correct statement.

A

Concentration of `NH_3` increases

B

Concentration of `NH_3` remains same

C

Concentration of `N_2` decreases

D

Total number of moles decreases

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