1.

Rate of diffusion of two gases are r_(A)and r_(B), molecular weights are M_(A) andM_(B), then partial pressure P_(A) is ( if number of moles are n_(A) and n_(B).

Answer»

`( r_(A))/( r_(B)) xx sqrt((M_(A))/( M_(B)) ) xx( n_(B))/( n_(A) + n_(B)) xx P_("TOTAL")`
`( r_(A))/( r_(B)) xx sqrt((M_(A))/( M_(B)) ) xx( n_(B))/( n_(A) ) xx P_("total")`
`( r_(A))/( r_(B)) xx sqrt((M_(A))/( M_(B)) ) xx( n_(a))/( n_(A)+n_(B) ) xx P_("total")`
NONE of these

Answer :A


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