Determine the ratio between the number of molecules in $71\,\text{g}$ of gaseous chlorine and the number of molecules in $2\,\text{g}$ of gaseous hydrogen.
- A$1:1$
- B$1:2$
- C$2:1$
- D$71:2$
Chemistry 5070 · O Level · The mole and the Avogadro constant
Determine the ratio between the number of molecules in $71\,\text{g}$ of gaseous chlorine and the number of molecules in $2\,\text{g}$ of gaseous hydrogen.