Ammonia Mass Ratio Calculation
To find the mass ratio of nitrogen (N) to hydrogen (H) in ammonia ($\text{NH}_3$), we use the atomic masses of the constituent elements.
Atomic Masses
- The atomic mass of Nitrogen (N) is approximately 14 atomic mass units (amu).
- The atomic mass of Hydrogen (H) is approximately 1 atomic mass unit (amu).
Mass Composition in Ammonia ($\text{NH}_3$)
The chemical formula for ammonia is $\text{NH}_3$, indicating one atom of nitrogen and three atoms of hydrogen.
- Total mass of Nitrogen: 1 atom $\times$ 14 amu/atom = 14 amu.
- Total mass of Hydrogen: 3 atoms $\times$ 1 amu/atom = 3 amu.
Determining the Mass Ratio
The ratio of nitrogen to hydrogen by mass is calculated as follows:
Mass Ratio (N : H) = (Total mass of Nitrogen) : (Total mass of Hydrogen)
Mass Ratio (N : H) = 14 amu : 3 amu
Therefore, the mass ratio is 14 : 3.
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