The mass of c-12 and c-14 isotpes are formed as 98% and 270 respectively the number of atoms of c-14 in 12 g of sample are: 1) 1.5 mole atoms 2) 1.03x10 atom 3)

The mass of C-12 and C-14 isotpes are formed as 98% and 270 respectively The number of atoms of C-14 in 12 g of sample are: 1) 1.5 mole atoms 2) 1.03x10 atom 3) 3.06x 10 atoms 4) 3.08x10 atoms