Explanation:
The structure of Ferrarrisite Ca5(HAs O4)2(AsO4)2
Molar mass of NH_3



We know.
No of moles=Given mass/Molar mass


Now
Lets write the balanced equation

- There is 2moles of Ammonia
- 3moles of H_2
- 1mole of N_2
Now

For Hydrogen



For Ammonia



For Nitrogen


Since a percentage is out of 100, do the % / 100
Divide the percent by 100
Answer:
The amount of energy released when 50.0 kg is converted into energy is
4.50 x 10A.
A: 18