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Took a pic of the paper I tried it on it on, has the exact problem description written at top, and what I tried. Figured that would be easier then typing all that. The answer is supposed to be 2.0.

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  • $\begingroup$ I don't really get what you are asking. Do you want us to check your calculation? It might be easier for you to just take a picture and post it here, but it is much harder for everybody else. Also this way, this is not helping anyone how looks for a solution of a similar problem. Please consider the users helping out here are doing this in their free time (just for fun and giggles). $\endgroup$ Feb 27, 2015 at 9:58

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You used the wrong version of $R$. Try using $R = 8.314 J mol^{-1} \ K^{-1}$.

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