Iron is found in Earth's crust as several iron compounds. Calculate the mass (in kg) of...
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Iron is found in Earth's crust as several iron compounds. Calculate the mass (in kg) of each compound that contains 7.8 x 10³ kg of iron. Y Part A Fe₂O3 (hematite) Express your answer in kilograms to two significant figures. Mass= Submit [5] ΑΣΦ Request Answer B Part B Fe3O4 (magnetite) Express your answer in kilograms to two significant figures. Mass= Submit 15. ΑΣΦ Request Answer 1988 ? kg Part C FeCO3 (siderite) Express your answer in kilograms to two significant figures. ΕΙ ΑΣΦ Submit Request Answer www ? kg Iron is found in Earth's crust as several iron compounds. Calculate the mass (in kg) of each compound that contains 7.8 x 10³ kg of iron. Y Part A Fe₂O3 (hematite) Express your answer in kilograms to two significant figures. Mass= Submit [5] ΑΣΦ Request Answer B Part B Fe3O4 (magnetite) Express your answer in kilograms to two significant figures. Mass= Submit 15. ΑΣΦ Request Answer 1988 ? kg Part C FeCO3 (siderite) Express your answer in kilograms to two significant figures. ΕΙ ΑΣΦ Submit Request Answer www ? kg
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