Answer:
17.03g/mol
Step-by-step explanation:
The formula mass is the molar mass of a given compound.
Atomic mass of N = 14.0067g/mol
H = 1.0079g/mol
Now;
Insert the parameters and solve;
Formula mass = 14.0067 + 3( 1.0079) = 17.03g/mol
The formula mass of the compound is 17.03g/mol