Question

If phosphorous exists as P4 , calculate the number of moles in 100g of
phosphorous.

Answer 1

0.80 moles of P₄

Explanation:

1 mole of P₄ has 123.89 g of phosphorus.

hence x mole will have 100 g of phosphorus.

x = 100/123.89

  = 0.80 moles of P₄