Question

How many moles are in 4.3x10 23atoms of iron?

Answer 1

`\Large \boxed{\sf 0.714 \ moles}`

Step-by-step explanation:

Avogadro's number can be used as a conversion factor from atoms to moles or moles to atoms.

`\displaystyle (4.3 * 10^(23))/(6.022 * 10^(23) ) =0.714048`