How many grams of HNO3 can be produced from 400.g of No2?

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05-04-2016
Chemistry

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How many grams of HNO3 can be produced from 400.g of No2?

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rockingholly24 rockingholly24 · Answer 1 · 2016-04-05T08:32:18+02:00

I assume that NO2 is being reacted with water

First we need the balanced equation for this reaction: 3 NO2(g) + H2O(l) = 2 HNO3(aq) + NO(g)

Second, find moles of NO2:
(400.g NO2)/(46.01g/mol NO2) = 8.69mol NO2

Third, multiply moles by the mole ratios of NO2 to HNO3 to get moles of HNO3: (8.69mol NO2)(2mol HNO3/3mol NO2) = 5.79mol HNO3

Fourth, multiply moles of HNO3 by its molar mass: (5.79mol HNO3)(63.01g/mol HNO3) = 365g HNO3 produced