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) arrow 2K2O(s)

44%

75%

22%

88%

Question

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) arrow 2K2O(s)
		
44%
		
75%
		
22%
		
88%

nvidiaintely · Answer

@Google

kevin · Answer

Actually I don't really know what is 'percent yield' ._.

natalief · Answer

can u provide the relative atomic mass of potassium please ?