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Tow oxides of metal contain 27.6% & 30.0% of oxygen

respectively. If the formula of the first oxide is M3O4.
What is the formula of the second oxide?


The Brainliest Answer!
Let the molecular mass of the metal be X.
therefore M:O ratio=70/56 :30/16=2:3
the formula of second oxide is M₂O₃
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