February 23, 2017

Homework Help: Chemistry

Posted by Jarrod on Wednesday, October 27, 2010 at 10:07pm.

Consider the following reaction:
2 SO2 (g) + O2 (g)----> 2 SO3 (g)

If 285.3 mL of SO2 is allowed to react with 158.9 mL of O2 (both measured at 315 K and 50.0 mmHg), what is the limiting reactant and theoretical yield of SO3 in moles? If 187.2 mL of SO3 is collected (measured at 315 K and 50.0 mm Hg), what is the percent yield for the reaction?

limiting reactant:
theoretical yield:
percent yield:

I am having troubles starting this problem, anyone know where to begin? I know we need to get from SO2 to SO3 and likewise O2 to SO3 but starting out with Ml I am not sure how to get a molar mass.

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