Suppose the reaction H2(g) + I2(g) ⇀↽ 2 HI(g) has an equilibrium constant Kc = 49 and the initial concentrations of H2, I2 and HI are 0.50 M, 0.50 M and 0.00 M, respectively. What is the correct value for the final concentration of I2(g)? 1. 0.778 M 2. 0.599 M 3. 0.250 M 4. 0.219 M 5. 0.389 M 6. 0.438 M 7. 0.111 M

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