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Title: An oxide of iron has the formula Fe3O4. What mass percent of iron does it contain? Post by: Yeah.Yeah. on Mar 21, 2021 An oxide of iron has the formula Fe3O4. What mass percent of iron does it contain? ▸ 0.72% ▸ 28% ▸ 30% ▸ 70% ▸ 72% Title: An oxide of iron has the formula Fe3O4. What mass percent of iron does it contain? Post by: Bowmanette35 on Mar 21, 2021 Content hidden
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