A mole of CO2 = 2 moles of O2
8 CO moles x 2 =
16 moles
I think it is D I'm not positive
You add the protons and the nuetrons together i think
All copper atoms have atomic number 29: all their nuclei contain 29 protons. But they also contain uncharged particles called neutrons. ... The two different kinds of atom are called isotopes of copper. The neutron has a mass very similar to that of the proton, so the two isotopes differ in mass.