Question

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) 0.0209 mol iron and 0.0313 mol oxygen

(b) 16.8 g C, 1.20 g H, and 6.40 g O

(c) 25.9% nitrogen and 74.1% oxygen by mass

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