brookegrahovac60 brookegrahovac60

22-05-2021
Chemistry

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Consider the balanced reaction below:

2N205 → 4NO2 + O2
How many moles of N205 are needed
to produce 7.90 g of NO2?
[?] moles N205

Respuesta :

Trancescient Trancescient

22-05-2021

0.0859 mol N2O5

Explanation:

First convert the # of grams of NO2 to moles:

7.90 g NO2 × (1 mol NO2/46.0055 g NO2)

= 0.172 mol NO2

Use the molar ratio to find the # moles of N2O5

0.172 mol NO2 × (2 mol N2O5/4 mol NO2)

= 0.0859 mol N2O5

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