What is the Molar Mass of Ammonia NH3?

The molar mass of ammonia (NH₃) is 17 g/mol. This value is determined by summing the atomic masses of its constituent elements: nitrogen (N) and hydrogen (H). Ammonia, a compound consisting of one nitrogen atom and three hydrogen atoms, is widely used in industries such as agriculture and pharmaceuticals.

Complete Answer: 

Here is a complete analysis of what is the molar mass of Ammonia NH₃: 

• The atomic mass of Nitrogen (N) = 14 g/mol
• The atomic mass of Hydrogen (H) = 1 g/mol

There is 1 nitrogen atom and 3 hydrogen atoms in Ammonia

Now, sum the total molar mass: 

Molar Mass = (1 x 14) + (3 x 1) = 14 + 3 = 17 g/mol

Thus, the molar mass of ammonia is 17 g/mol.

What is Ammonia (NH₃)?

Ammonia is a colourless gas with a distinct pungent odour. It is highly soluble in water and plays a crucial role in:

• Agriculture: Used in fertilisers to enrich soil with nitrogen.
• Chemicals: A precursor to various compounds, including nitric acid and urea.
• Refrigeration: Used in industrial cooling systems due to its thermal properties.

To understand the molar mass of ammonia in practical terms, consider this example: If you weigh 17 grams of ammonia, you have exactly 1 mole of NH₃ molecules, which equals 6.022 × 10²³ molecules (Avogadro’s number).

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