99. The first-order decomposition of SØ2C12 to sulfur dioxide gas and chlorine gas at 320°C has a half-life of 8.75 hr. If 600. mmHg of pure SO2C12 is placed in a5.00-D flask at 320°C, how long does it take for the total pressure in the flask to rise to 1.000 atm? 600- A. 6.45 hr В. 11.1 hr С. 3.91 hr 6781X5) D. 20.3 hr E. 6.91 hr

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