Question

Which equivalence factor should you use to convert from 4.25 moles of Al to atoms of Al?

(1 atom Al/4.25 mol Al)

(6.02 x 1023 atoms Al/1 mol Al)

(6.02 x 1023 atoms Al/4.25 mol)

(4.25 mol Al/6.02 x 1023 atoms Al)

Answer 1

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Step-by-step explanation:

Answer 2

Avogadro's number is 1 mol = 6.02 * 10^23 elements


It means that 1 mol of atoms is 6.02 * 10^23 atoms

1 mol of atoms = 6.02 * 10^23 atoms

From there, if you divide both sides by 1 mol of atoms, you get

1 = 6.02 * 10^23 atoms / 1 mol of atoms.


That means, that to pass from a number of moles of atoms to number of atoms you have to multipby by the conversion factor

6.02*10^23 atoms Al/ 1 mol Al


That is the second option of the list.