Calculate the packing fraction of `Ar^(40)` (isotopic weight of `Ar =

1.	Calculate the packing fraction of `Ar^(40)` (isotopic weight of `Ar = 39.96238)`.
Answer» Isotopic atomic weight of `Ar^(40) = 39.96238` Mass number of `Ar^(40) = 40.00` `:.` Packing fraction ` = (39.96238 - 40)/(40) xx 10^(4)` `= (-0.03762 xx 10^(4))/(40) = -9.405`

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Calculate the packing fraction of `Ar^(40)` (isotopic weight of `Ar = 39.96238)`.

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