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March 3, 2015

March 3, 2015

Posted by **Charlie** on Monday, December 7, 2009 at 9:20pm.

Calculate the ratio of effusion rates for 238UF6 and 235UF6 The atomic mass of U-235 is 235.054amu and that of U-238 is 238.051amu.

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**bobpursley**, Monday, December 7, 2009 at 9:35pmrates of effusion are inversely proportional to the sqrt of atomic masses.

Rate235/rate238= sqrt (238.05/235.054)

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