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Answer to Question #252270 in General Chemistry for Dell
Question #252270
an oxide of chromium is made up of 5.20 g chromium and 5.60 g oxygen what is the empirical formula of the oxide
Expert's answer
Molar mass of chromium = 51.9961g/mol
5.2/51.9961= 0.1
Molar mass of oxygen = 15.999
5.6/15.999= 0.35
= Cr2O7
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