State which has higher number of moles : 5 g. of N 2 O or 5 g. of NO [N = 14, O = 16]

Chemistry

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Gram molecular mass of N₂O
= (2 x 14) + 16
= 44 g

44 g of N₂O = 1 mole

∴ 5 g of N₂O = $\dfrac{1}{44} \times 5 = 0.11$ moles

Gram molecular mass of NO

= 14 + 16
= 30 g

30 g of NO = 1 mole

∴ 5 g of NO = $\dfrac{1}{30} \times 5 = 0.16$ moles

Hence, 5 g. of NO has higher moles than 5 g. of N₂O

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