Chemistry

23 April, 00:23

Given the following chemical equation, if 162.0 grams of potassium reacts with excess oxygen gas and was found to produce 172 grams of potassium oxide, what is the percent yield for this reaction?4 K (s) + O2 (g) - - > 2K2O (s)

44%

75%

22%

88%

+3

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