Asked by Timothy

A student reacted 5.33 grams of cobalt with oxygen gas and obtained 7.50 grams of cobalt oxide. Determine the empirical formula of this cobalt-oxygen compound based upon this experiment.

Answers

Answered by DrBob222
5.33 g Co
7.50-5.33 = 2.17 g O
------------
mols Co = 5.33/58.93 = ?
mol O = 2.17/16 = ?

Find the ratio of the atoms to each other for the empirical formula.
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