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You work with the following system:
2X(g) <---> Y(g)

At, equilibrium, [Y]=3[X]. If K=10, calculate the [Y] at equilibrium.

K = (Y)/(X)^2
10 = (3X)/(X)^2
10 = 3X/X^2
Solve for X and convert to Y.

how do u convert for y?

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