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5 March, 05:45

A compound is 69.9% iron and 30.1% oxygen by mass. how much iron could by obtained from 5.41 grams of the compound?

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  1. 5 March, 05:51
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    The compound is composed of 69.9 % iron and 30.1% oxygen by mass.

    Therefore it can be stated that in 100 g of the compound - 69.9 g of the compound is made of iron and 30.1g of compound is made of oxygen.

    We are asked to calculate how much mass of iron can be obtained from 5.41 g of compound.

    100 g of compound - 69.9 g Fe

    In 5.41 g of compound - 69.9 / 100 * 5.41

    = 3.78 g of Fe can be obtained
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