KC for in a 10 lit flask at certain T is 100 lit-mol-1. Now, if equilibrium pressures of SO2 and SO3 are equal, then mass of O2 present at equilibrium is

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6.4g

12.8g

3.2g

16g

answer is C.

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Detailed Solution

Given [SO3] = [SO2] = xvolume of the vessel = 10 litresWeight of oxygen at equilibrium = 3.2 g

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