How many molecules of CO2 are in 20g?

Answer:
CO2's molecular weight is 44 so 44 g of CO2 contain Avogadro's number of CO2 molecules. 20 g would contain 20/44 x Avogadro's number.
First answer by Digglesby. Last edit by Digglesby. Contributor trust: 5 [recommend contributor recommended]. Question popularity: 0 [recommend question].