Question

determine # of moles 3.55× 10(23 squared ) atoms Ne

Answer 1

1.0 moles --------------6.02 x 10²³ atoms
? moles ----------------- 3.55 x 10²³ atoms

moles = ( 3.55 x 10²³ ) x 1.0 / 6.02 x 10²³

moles = 3.55 x 10²³ / 6.02 x 10²³

= 0.589 moles of Ne

hope this helps!