Question

How many atoms will be there in 18 g of Aluminium. (At. Mass of Al = 27 u)

Answer 1

Answer:

3.6138 × 10^23 (answer)

hope it helps

Answer 2

Answer:

number of atoms=4.0148674×10²³ atoms

Explanation:

number of moles of Al=18/27

=0.6667 moles

number of atoms= 0.6667× 6.022×10²³ atoms/mole.

number of atoms=4.0148674×10²³ atoms