Asked by Anonymous
A certain volume of mass A recquired 120 seconds to diffuse out.An equal volume of oxygen recquired 85 seconds to diffuse out under the same conditions.what is the relative molecular mass?
Answers
Answered by
Doc48
Use Graham's Law of Effusion => SqrRt(M-A)/t-A = SqrRt(M-B)/t-B
SqrRt(O2)/t(O2) = SqrRt(M-B)/t(B)
=> M-B = 63.8 amu
SqrRt(O2)/t(O2) = SqrRt(M-B)/t(B)
=> M-B = 63.8 amu
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