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April 17, 2014

Homework Help: CHEMISTRY

Posted by Alexis Moran on Monday, October 10, 2011 at 9:13pm.

At a certain temperature , 0.960 mol of SO3 is placed in a 3.50 L container.

2SO3 ----> 2SO2 + O2

At equilibrium , 0.190 mol of O2 is present. Calculate kc.

i know that it starts off by
2SO3 -----> 2SO2 + O2
I 0.960 0 0
C -2x +2x x
_____________________
E 0.58 3.8 0.190

but then it says be sure to convert from moles to molar mass so i divided each equilibrium by 3.50 l . I did all of this but i still do not get the right answer !!! Someone help me please thank you

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