Question

An atom of copper has mass of 1.0625 ×10^-22 gram how many atoms of copper are there in 16 gram?

Answer 1

Answer:

16 x 10^22 atoms

Explanation:

use....unitary formula as follows....

1.0625 x 10^22 gms ~ 1 atom

then, 16 gms ~ ? atoms

simply divide....16 by 1.0625x10^22.