Question

How many atoms are there in 10.2 moles of Phosphorous?​

Answer 1

There are 2.06 x 10²⁴ atoms

Further explanation

The mole is the number of particles (atoms, molecules, ions)contained in a substance

1 mol = 6.02.10²³  particles

Moles can also be determined from the amount of substance mass and its molar mass

• number of atoms :

$\tt 10.2\times 6.02\times 106{23}=2.06\times 10^{24}$