Question

Calculate the number of moles in the following
78.5g of iron
4.68mg of silicon
65.6 ug of carbon
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Answer 1

Answer:

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Explanation:

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Answer 2

Explanation:

For Fe, it's 55.845 g/mol. So 7.85 / 55.845 = 0.141 mol. PLZZ make as brainliest