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Chemistry, 03.03.2021 02:40 chawnholliday8673

The rock in a particular iron ore deposit contains 78% Fe2O3 by mass. How many kilograms of the rock must a mining company process to obtain 1.0 x 103 kg of iron?

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The rock in a particular iron ore deposit contains 78% Fe2O3 by mass. How many kilograms of the rock...
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