How many particles are in 3.0 miles of aluminum

Answer: 1.806 x 10∧24 particles

Explanation:

A mole is the amount of a substance that contains 6.02 x 10∧23 respective particles of that substance.

It means that 1 mole of Aluminium contain 6.02 x 10∧23 particles (Avogadro's Number).

∴ 3 moles of Aluminium would contain;

3 x 6.02 x 10∧23 = 1.806 x 10∧24 particles