How many atoms does one mole of Phosphorus contain?

We need to calculate how many atoms does one mole of Phosphorus contain. First let us know about the Phosphorous atom.

  • Phosphorus is a highly reactive element.
  • The symbol of phosphorus is ‘P’
  • The atomic number is 15
  • The atomic mass number is 31.

Number of atoms

Phosphorus exists as a tetratomic molecule. Hence, there are 4 atoms of phosphorus in one molecule of phosphorus.

1 mole of P4 = 6.022  × 1023 molecules of P4(Avogadro number)

1 molecule of P4 = 4 atoms of P

1 mole of P4 = 4 × 6.022  × 1023 atoms of P

1 mole of P4 = 2.4088 × 1024 atoms of P

= 24.088 × 1023 atoms of P

Answer

24.088 × 1023 atoms of P are present in

 

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