Answer to Question #246387 in General Chemistry for banihfrance05

General Chemistry

Question #246387

what is the imperical formula of an oxide of chromium is made up of 5.20 g chromium and 5.60 g oxygen?

Expert's answer

Moles of Chromium"=\\frac{5.20}{52}=0.1"

Moles of oxygen "=\\frac{5.60}{16}=0.35"

Mole ratio =(0.1÷0.1)=1 and

(0.35÷0.1)=3.5=4

"CrO_4"

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