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A 3.00-liter flask initially contains 3.00 mol of gas A and 1.50 mol of gas B....

A 3.00-liter flask initially contains 3.00 mol of gas A and 1.50 mol of gas B. Gas A decomposes according to the reaction 3A ⇌ 2B + C The equilibrium concentration of gas C is 0.125 mol/L. Determine the equilibrium concentration of gas A.

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