Question

How many moles exist in 3,000,000 particles of gold (Au)?​

Answer 1

4.98 x 10^-18 mole

Step-by-step explanation:

1 mole has 6.022 x 10^23 particles

so 3,000,000/(6.022 x 10^23) = 4.98 x 10^-18 mole