Molar Mass of NH3
How to work out the molar mass of NH3
- Count the atoms of each element in NH3: 1 N and 3 H.
- Multiply each count by the element's atomic weight: 1 × 14.007 = 14.007; 3 × 1.008 = 3.024.
- Add the results: 14.007 + 3.024 = 17.031 g/mol.
Frequently asked questions
What is the molar mass of NH3?
The molar mass of ammonia (NH3) is 17.031 g/mol, so one mole of it weighs 17.031 grams.
How many moles are in 100 grams of NH3?
100 g ÷ 17.031 g/mol = 5.872 mol.
Which element makes up most of the mass of NH3?
N, at 82.24% of the mass.
Common compounds
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