What is the mass of 4.50 x 1022 atoms of gold,Au?

Name: What is the mass of 4.50 x 1022 atoms of gold,Au?
Brand: Quizplus
Rating: 4.8 (51 reviews)

Question

Quizplus · Accepted Answer

First, we need to find the molar mass of gold.
Atomic mass of Au = 196.97 g/mol
1 mole of Au contains 6.022 x 10^23 atoms (Avogadro's number)

Now we can calculate the mass of 4.50 x 10^22 atoms of Au:
(4.50 x 10^22 atoms) x (1 mol/6.022 x 10^23 atoms) x (196.97 g/mol) = 14.7 g

What Is the Mass of 4