How many moles are #2.85 times 10^18# atoms of iron?

1 Answer
Jan 26, 2017

Answer:

1 mol contains #~~6.02xx10^23# particles, whether it be atoms, ions, molecules or whatever (Avogadro's number).

Explanation:

So you just divide:

#(2.85xx10^18)/(6.02xx10^23)=0.473xx10^-5=4.73xx10^-6#