Gaseous iodine pentafluoride, IF5, can be prepared by the
reaction of solid iodine and gaseous fluorine:
I21s2 + 5 F21g2¡2 IF51g2
A 5.00-L flask containing 10.0 g of I2 is charged with
10.0 g of F2, and the reaction proceeds until one of
the reagents is completely consumed. After the reaction
is complete, the temperature in the flask is 125 °C.
(a) What is the partial pressure of IF5 in the flask?
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