Which of the two gases, ammonia and hydrogen chloride, will diffuse faster and by what factor?

Explanation

`r_(NH_(3))//r_(HCl)=(M_(HCl)//M_(NH_(3)))^(1//2)`
`=(36.5//17)^(1//2)=1.46`
or `r_(NH_(3))=1.46r_(HCl)`
Thus, ammonia will diffuse `1.46` times faster than hydrogen chloride gas.