The molecular weight is
the mass, in grams, of one mole of a
compound.
Molar
Mass or Molecular Weight
H2O
MWt
= 18.0148 g/mol
MWt
= 18.0148 g/molAlCl3MWt
= 133.341 g/mol
MWt
= 133.341 g/molMWt
= 18.0148 g/molMWt
= 133.341 g/mol