Relative Atomic Mass, Ar
*average Mass Of A Single Atom Of An Element ...
Relative Molecular Mass, Mr
Average Mass Of All The Atoms In A Molecule A...
Relative Formula Mass, Mr
Average Mass Of All The Atoms In An Ionic Com...
C + O2 --> CO2How Many Grams Of CO2 Are Ma...
The Total Mass On Each Side Is The Same. So 4...