At the end of the experiment you calculate the atomic mass of the alkali metal to be 41.02. You assume that the expected alkali metal was potassium (Ar = 39.10 g mol-1 ) What is the percentage error in your result? Give your answer to 2 significant figures. (Please type answer no write by hend

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Chapter3: Stoichiometry
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Problem 40E: An element X bas five major isotopes, which are listed below along with their abundances. What is...
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At the end of the experiment you calculate the atomic mass of the alkali metal to be 41.02. You assume that the expected alkali metal was potassium (Ar = 39.10 g mol-1 ) What is the percentage error in your result? Give your answer to 2 significant figures.

(Please type answer no write by hend) 

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