Calculate the number of phosphorus molecules present in 248g of solid phosphorus ​

Calculate the number of molecules of SO_(2) present in 44g of it.

Calculate the number of nitrogen molecules present in 2.8 g of nitrogen gas.

Phosphorus is always present in

Calculate the number of molecules of sulphur (S_(8)) present in 16 g of solid sulphur.

Calculate the number of molecules in each of the following : 124 g of phosphorus Given atomic masses : P = 31 u, C = 12 u, O = 16 u