Percentage Composition

An 8.20 g piece of magnesium combines completely with 5.40 g of oxygen to form a compound. What is the percent composition (%Mg and % O) of this compound? _____% Title: Percentage Composition Author: JOEL & SELA Last modified by: JOEL & SELA Created Date: 10/9/2011 8:27:00 PM ................
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