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Yasmine K.

asked • 3d

What is the minimum mass of magnetite Fe3O4, a iron ore, from which 7.5kg of pure iron could be extracted?

What is the minimum mass of magnetite Fe3O4, a iron ore, from which 7.5kg of pure iron could be extracted?

Be sure your answer has a unit symbol, if necessary, and is rounded to the correct number of significant digits.


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