Answer to Question #253718 in General Chemistry for Bang-bang

Question #253718

The combustion of ammonia in the presence of excess oxygen yields NO2 and H2O:

4NH3(g)--4NO2(g)6H2O(g)


Determine the mass in grams of NO2 when 43.9g of NH3 was used.



1
Expert's answer
2021-10-20T05:22:52-0400

4NH34NO2+6H2O4NH_3\to 4NO_2+6H_2O

moles of ammonia=massRMM=43.917=2.582=\frac{mass}{RMM}=\frac{43.9}{17}=2.582

mole ration NH3:NO2=1:1NH_3:NO_2=1:1

moles of NO2=2.582NO_2=2.582

Mass of NO2=number of moles×RMM=2.582×(14+16+16)=118.772gNO_2=number \space of \space moles \times RMM=2.582\times (14+16+16)=118.772g


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