How many molecules are there in 6.73 moles of phosphorus trichloride? (write your answer in scientific notation).

There are  molecules in 6.73 moles of phosphorus trichloride

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number of particles.

1 mole of contains =  molecules

Thus 6.73 moles of contains =  molecules

Thus there are  molecules in 6.73 moles of phosphorus trichloride