Question #5eca2

1 Answer
Nov 10, 2015

3.01 × 10^23 atoms

Explanation:

The number of atoms\ions\molecules in one mole is "Avogadro's number" which equals 6.022 × 10^23
so one half of a mole would be
0.5 × 6.02 × 10^23 = 3.01 x 10^23 atoms