What is the mass of #3.01xx10^23# molecules of carbon dioxide, #CO_2#?

1 Answer
Jan 2, 2018

The number of moles will be simply the number of molecules divided by Avogadro's number, so #(3.01xx10^23)/(6.02xx10^23)=0.5# #mol#

Since the molar mass of #CO_2# is #44# #gmol^-1#, the mass of #CO_2# will be #22# #g#.