Chapter 5 – Practice Problem (Masses of Atoms and Molecules) Solutions – Odd Answers

1. The atomic mass unit is defined as one-twelfth of the mass of a carbon-12 atom. Its abbreviation is u.

3.

• • a. 1
  • b. 3
  • c. 56

5.

• • a. 6.940 u
  • b. 16.000 u

7.  We would get 6.924 u.

9.

• • a. 15.999 u
  • b. 31.998 u

11.

• • a. 37.996 u
  • b. 28.010 u
  • c. 44.009 u

13.

• • a. 22.990 u
  • b. 69.619 u
  • c. 135.036 u

15.

• • a. 104.64 u
  • b. 183.898 u
  • c. 245.281 u