The equilibrium constant, K, for the following reaction is 1.20×10-2 at 500 K. PCl5(g) PCl3(g) + Cl2(g) An equilibrium mixture of the three gases in a 1.00 L flask at 500 K contains 0.188 M PCl5, 4.74×10-2 M PCl3 and 4.74×10-2 M Cl2. What will be the concentrations of the three gases once equilibrium has been reestablished, if 3.48×10-2 mol of Cl2(g) is added to the flask? [PCl5] = M [PCl3] = M [Cl2] = M

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The equilibrium constant, K, for the following reaction is 1.20×10-2 at 500 K.

PCl5(g) PCl3(g) + Cl2(g)

An equilibrium mixture of the three gases in a 1.00 L flask at 500 K contains 0.188 M PCl5, 4.74×10-2 M PCl3 and 4.74×10-2 M Cl2. What will be the concentrations of the three gases once equilibrium has been reestablished, if 3.48×10-2 mol of Cl2(g) is added to the flask?

[PCl5] = M
[PCl3] = M
[Cl2] = M

Please help me slove this correctly !

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