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At a certain temperature, the equilibrium constant for the reaction CO2(g) + H2(g) <-> CO(g) +...

At a certain temperature, the equilibrium constant for the reaction CO2(g) + H2(g) <-> CO(g) + H2O(g) Is Kc = 5.45.

If 4.00 mol of CO2 and 4.00 mol of H2 are placed in a 4.00 L vessel and equilibrium is established, what will be the concentration of water?

a) 0.821 M b) 0.735 M c) 0.547 M d) 0.507 M e) 0.700 M

I am very bad at math so please list all the steps so I can understand the process.

Thank you.

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