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Xenon hexafluoride was one of the first noble gas
Chapter 6, Problem 51P(choose chapter or problem)
Xenon hexafluoride was one of the first noble gas compounds synthesized. The solid reacts rapidly with the silicon dioxide in glass or quartz containers to form liquid XeOF4 and gaseous silicon tetrafluoride. What is the pressure in a 1.00-L container at 25°C after 2.00 g of xenon hexafluoride reacts? (Assume that silicon tetrafluoride is the only gas present and that it occupies the entire volume.)
Questions & Answers
QUESTION: Problem 51P
Xenon hexafluoride was one of the first noble gas compounds synthesized. The solid reacts rapidly with the silicon dioxide in glass or quartz containers to form liquid XeOF4 and gaseous silicon tetrafluoride. What is the pressure in a 1.00-L container at 25°C after 2.00 g of xenon hexafluoride reacts? (Assume that silicon tetrafluoride is the only gas present and that it occupies the entire volume.)
ANSWER:
Solution 51P:
Here, we are going to calculate the pressure in a 1.00-L container at 25°C after 2.00 g of xenon hexafluoride reacts.
Step 1:
Calculation of the moles of SiF4(g).
The balanced equation for the reaction is
Given that,
The mass of =2.0 g
The molar mass of =245.28 g/mol
The moles of =2.0 g
=0.00815 mol of
Thus, the mol of is 0..00815 mol.