Question

3. The actual mass of a single carbon atom is 1.992 x 10-23 gram. Compute the number of C atoms in 12 grams of carbon. (Hint: Number of C atoms = 1.992 x 10-23 g/atom 4.)​

Answer 1

1 c-1.992*10^-23

12 c -1.992*12*10^-23 =2.903*10^-23