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July 30, 2014

Homework Help: chem

Posted by byke on Friday, November 9, 2012 at 3:12pm.

Gaseous iodine pentafluoride, IF5, can be prepared by the reaction of solid iodine and
gaseous fluorine:
I2 (s) + 5F2 (g) → 2IF5 (g).
A 5.00 L flask is filled with 10.0 g I2 and excess F2 with the reaction proceeds to
completion completely consumed. After the reaction is complete the temperature in
the flask is 125C.
i) What is the pressure of IF5 (g) in the flask ?
ii) How many molecules of F2 reacted with I2 (s) ?
iii) What mass of IF5 (g) is produce.

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