What is the formula mass of ammonia?
1 Answer
The formula of ammonia is
Break the formula up to see what atoms are present. By that, you know that Nitrogen and Hydrogen are present.
If you look into the periodic table, you can see that the formula mass (or a.k.a molar mass) of Nitrogen is 14.0 g/mol and Hydrogen 1.0 g/mol.
The molar mass of ammonia equals 17.04 g/mol. (c) The sum of the atomic masses for Mg(NO 3) 2 is 24.31 amu + 2(14.01 + 16.00 + 16.00 + 16.00)amu = 148.33 amu. The molar mass of magnesium nitrate equals 148.33 g/mol. Calculate the molar mass for each of the following substances: (a) silver metal, Ag (b) ammonia gas, NH. 3 (c) magnesium. Formula of ammonia= NH3 Molecular mass of ammonia= atomic mass of nitrogen (N)+ 3( atomic mass of hydrogen) Atomic mass of nitrogen and hydrogen is 14& 1 Molecular mass of ammonia= 14+3×1 =17.
Since there are 3 Hydrogen atoms present, the formula mass of H is 1.0
Therefore, by adding them up, the formula mass of ammonia is:
[14.0 g/mol + 3.0 g/mol] = 17.0 g/mol.
Atomic Mass Of Chlorine 37
Periodic table source: Level 2 Chemistry SciPad (NZ syllabus)
Related topic
Atomic Mass Of Chlorine Isotopes
Atomic Mass Of Nh3
Related questions