Question

A sample of iron contains 2.806 x 1024 atoms of iron (Fe). How many moles of iron are in the sample?

Answer 1

Approx. 20 moles of iron.

Step-by-step explanation:

There are approx. 6.022 x 10.23 iron atoms per mole of iron. In this quantity, The number of iron atoms has a mass of

55.85 ⋅ g.