Question #982d0

Oct 3, 2016

0.39

Explanation:

Recall that the moles of the elements in a compound can be found using their subscripts. $C {O}_{2}$ consists of one carbon atom and two oxygen atoms; one molecule of $C {O}_{2}$ = 1 atom of carbon and 2 atoms of oxygen. This is the same for moles. 1 mole of $C {O}_{2}$ = 1 mole of C and 2 moles of O atoms (or 1 mole of ${O}_{2}$ molecules). If we have 0.39 moles of $C {O}_{2}$, then we will also have 0.39 moles of C.