The compound SbCl5(g) decomposes at high temperatures to gaseous antimony trichloride and chlorine gas. When 89.7 g of SbCl5(g) is placed in a 15.0-L container at 1808C, the SbCl5(g) is 29.2% decomposed (by moles) after the system has reached equilibrium.
a. Calculate the value of K for this reaction at 1808C.
b. Determine the number of moles of chlorine gas that must be injected into the flask to make the new equilibrium pressure of antimony trichloride half that of the original equilibrium pressure of antimony trichloride in the original experiment.