In a reaction at equilibrium, the partial pressure of SO2 is 137 torr and that of CL2 is 285 torr. What is the partial pressure of SO2Cl2 in this mixture?

422 torr

Explanation:

According to Dalton's law of partial pressure, the total pressure exerted by a mixture of gases is the sum of their individual/partial pressure. Mathematically, this can be expressed as:

In this case, = 137 torr, = 285 torr, hence

=

                   = 137 + 285

                        = 422 torr

The partial pressure of SO2Cl2 in this mixture is 422 torr.

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