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Solution: A pure sample of a new chemical compound was analyzed and was found to have the following mass percentages: Al 31.5%; O 56.1%; S 12.4%. What is the empirical formula of this compound? A) Al5O28S7 B) Al3O9S C) AlO2S2 D) Al4O14S7 E) AlO6S1.5

Problem

A pure sample of a new chemical compound was analyzed and was found to have the following mass percentages: Al 31.5%; O 56.1%; S 12.4%. What is the empirical formula of this compound?

A) Al5O28S7

B) Al3O9S

C) AlO2S2

D) Al4O14S7

E) AlO6S1.5