Question
( begin{aligned} &=0.75 times 6.02 times 10^{23} &=4.5 times 10^{23} text { Atems of } P_{4}=& frac{3 times 6.02 times 10^{23}}{-} 18 times 10^{23} text { atomy } end{aligned} )

9. How many moles, molecules and atoms of phosphorus are contained in 92.93 g of phosphorus, if the formula of its molecule is 7? .
Solution
