Day Five: Activity Two

Molecular Masses:

CO2: C=12 O=16 12.01 + (16 x 2) = 12 + 32= 44 g/mole

O2: 16 16 x 2= 32 g/mole

He: 4.00 g/mole

H2O: H= 1.00 O= 16 (1.00 x 2) + 16 = 18 g/mole