What is the empirical formula of a compound that is 20.2% aluminum and 79.8% chlorine by mass? Select the correct answer below: AlCl AlCl2 AlCl3 AlCl4

What is the empirical formula of a compound that is 20.2% aluminum and 79.8% chlorine by mass? Select the correct answer below: AlCl AlCl2 AlCl3 AlCl4

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What is the empirical formula of a compound that is 20.2 % aluminum and 79.8 % chlorine by mass?
Select the correct answer below: A l C l A l C l 2 A l C l 3 A l C l 4

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