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Mole Concept

which of thes...

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which of these weights more 1)32g of o2 2)2g atom of nitrogen 3)0.5 mol of fe 4)3.01×10^{23

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Q. Which of the following oxides of nitrogen have 30.5% nitrogen by weight?

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F e = 56, N_{A} = 6.02 \times 10^{23} {m o l}^{- 1}

C O_{2}

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