I get confused in molecular mass,molar mass ,and formula unit mass can you please explain this topic with a day to day life example???

Asked by Agil | 16th Jun, 2018, 08:18: PM

Expert Answer:

Molecular mass: It is the number equal to the sum of the atomic masses of the atoms in the molecule.
Example: Molecular mass of NaCl is 
 
                           NaCl space equals space open parentheses 23 plus space 35.5 close parentheses
space
space space space space space space space space equals space 58.5
Molar mass: 
Molar mass is numerically same as molecular mass but the unit is different.
The unit is gm/mole
 
Formula unit mass:
Formula unit mass of the substance is the sum of the atomic masses of the atoms in the formula unit of the molecule.
 

Answered by Varsha | 17th Jun, 2018, 01:39: PM