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5.4k views
in Basic Concepts of Chemistry by (48.1k points)

In industrial preparation of nitric acid, how. many moles of NO2 are required to form 7.33 moles of HNO3 if the reaction is.
3NO2(g) + H2O(l) → 2HNO3 (l) + NO(g)

1 Answer

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Best answer

According to the above equation, 3 moles of NO2 react with one moles form 2 moles of HNO3.
Therefore, number of moles of NO2 produced by 7.33 moles of HNO3, is given as :
3 moles of NO+ 2 moles of HNO3,
x moles of NO+ 7.33 moles of HNO3
By Cross multiplication, x = 7.33 × 3/2 = 10.99 moles.

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