Which one of the following has greater active mass

1.	Which one of the following has greater active mass
Answer» 200 GM of lime stone in 2 lit vessel 90 gm of `CS_2` liquid in 100 ml vessel 56 gm of `N_2` GAS in 0.5 lit vessel 1 mole of `O_2` gas at STP Solution :Active mass of pure solids and liquids = 1 gases = `(n)/(V_("(lit)"))`

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