Question

11 - Average atomic mass of carbon is 12.01 u. Find the number of moles of carbon
in (a) 2.0 g of carbon. (b) 8.0 g of carbon .​

Answer 1

Average Atomic Mass

On the periodic table the mass of carbon is reported as 12.01 amu. This is the average atomic mass of carbon. No single carbon atom has a mass of 12.01 amu, but in a handful of C atoms the average mass of the carbon atoms is 12.01 amu.