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 Zn 65.409 23.4% As 74.9216 53.7% 15.9994 22.9% What is the empirical formula of this mineral?

Chemistry: Matter and Change
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ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter11: Stoichiometry
Section: Chapter Questions
Problem 115A
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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
Zn
65.409
23.4%
As
74.9216
53.7%
15.9994
22.9%
What is the empirical formula of this mineral?
Transcribed Image Text: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 Zn 65.409 23.4% As 74.9216 53.7% 15.9994 22.9% What is the empirical formula of this mineral?
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
Co
58.9332
21.2%
Fe
55.845
6.71%
As
74.9216
72.0%
What is the empirical formula of this mineral?
Transcribed Image Text: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 Co 58.9332 21.2% Fe 55.845 6.71% As 74.9216 72.0% What is the empirical formula of this mineral?
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