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In: Chemistry

Give the empirical formula of each of the following compounds if a sample contains the following...

Give the empirical formula of each of the following compounds if a sample contains the following quantities of each element. (Type your answer using the format CO2 for CO2.)

(a) 0.0455 mol C, 0.039 mol H, and 0.013 mol O



(b) 6.44 g nitrogen and 3.67 g oxygen



(c) 69.9% iron and 30.1% oxygen by mass

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