hough the quantity may change the sample nain pure. The constant value is incorporated into value of $K,$ and does not need to be accounted separately.

Part B

The following reaction was performed in a sealed vessel at $790C$ :

$H_2(g)+I_2(g)2HI(g)$

Initially, only $H_2$ and $I_2$ were present at concentrations of $[H_2]=3\mathrm{.}10M$ and $[I_2]=2\mathrm{.}60M.$ The equilibrium concentration of $I_2$ is $0\mathrm{.}0800M.$ What is the equilibrium constant, $K_c,$ for the reaction at this temperature?

Express your answer numerically.

View Available Hint$($s$)$

$K_c=$

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