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Hydrogen gas (H2) reacts with iodine gas (I2) to form hydrogen iodide (HI) gas. The equilibrium constant (K) equals 7.1E2 @25degC. Calculate the equilibrium concentration of all species if a 5.00L vessel initially contains 15.7g of H2 and 294g of I2.
Answer: [H2]E = 1.33M, [I2]E = 2.3E-4M, [HI]E = 0.464M