A quantity of 22 g dry ice is taken in an open bottle of one litre capacity and the bottle is then closed properly. If temperature of bottle is maintained at 27°C for long time in which all ₂ is subli

Question

A quantity of 22 g dry ice is taken in an open bottle of one litre capacity and the bottle is then closed properly. If temperature of bottle is maintained at 27°C for long time in which all $CO$₂ is sublimed, the pressure in the bottle is (Ambient condition: 1 atm, 27°C)

Prashant Kotian · Accepted Answer

Correct answer: A. n_CO₂ = 22/44 = 0.5 mol. n_air = PV/RT = 1×1/(0.0821×300) = 0.0406 mol. P_final = (0.5406 × 0.0821 × 300)/1 = 13.315 atm.

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