Question

Calculate the number of molecules of phosphorus (P4) present in
62 grams.of solid phosphorus.( atomic mass of phosphorus is 31.)
​

Answer 1

Answer:

Calculate the number of molecules of phosphorus [P4] present in 31 gram of phosphorus.

Molecular mass of P4 = 124 g/ml

i.e. 31 g P4 = 0.25 x 1023 x 31 = 1.5 x1023 molecules