Question

how many atoms of copper are found in 1.34 moles of copper?

Answer 1

Solution:

One mole of any substance contains 6.02×10²³ particles.

Thus,

Number of Cu atoms = (1.34 mol) × (6.02×10²³ atoms / 1 mol) = 8.07×10²³ Cu atoms

Answer: 8.07×10²³ atoms of copper (Cu)