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    Introductory Chemistry Atoms First
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    Exam 3: The Evolution of Atomic Theory
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    A 345 Gram Sample of Hematite (Fe<sub>2</sub>O₃) That Contains 2
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A 345 Gram Sample of Hematite (Fe2O₃) That Contains 2

Question 21

Question 21

Multiple Choice

A 3.45 gram sample of hematite (Fe2O₃) that contains 2.41 grams of Fe has what percentage Fe by mass?


A) 41.0%
B) 31.1%
C) 69.9%
D) 59.9%

Correct Answer:

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