3, A mineral sample is obtained from a region of the country that has high arsenic contamination

3, A mineral sample is obtained from a region of the country that has high arsenic contamination. An elemental analysis yields the following elemental composition: Element Atomic Weight (g/mol) Percent Composition Cu 63.546 22.9% As 74.9216 54.0% O 15.9994 23.1% What is the empirical formula of this mineral? Group of answer choices CuAs 2 O 4 CuAs 2 O 3 Cu 4 As 2 O CuAsO Cu 2 AsO 4 5. A mineral sample is obtained from a region of the country that has high arsenic contamination. An elemental analysis yields the following elemental composition: Element Atomic Weight (g/mol) Percent Composition Cu 63.546 30.2% Zn 65.409 15.5% As 74.9216 23.7% S 32.065 30.5% What is the empirical formula of this mineral? Group of answer choices Cu 6 Zn 3 As 4 S 10 Cu 3 Zn 6 As 4 S 12 Cu 5 Zn 3 As 4 S 12 Cu 6 Zn 3 As 3 S 12 Cu 6 Zn 3 As 4 S 12

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