Question: What is the number of atoms in 2 moles of NaCl? (2044)
Options:
Correct Answer: 1.2044 x 10^24
Solution:
Each NaCl unit has 2 atoms (Na and Cl). Therefore, 2 moles of NaCl contain 2 x 6.022 x 10^23 x 2 = 1.2044 x 10^24 atoms.