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Use the data given in the following table to calculate the molar mass of naturally occurring argon. {:("Isotope","Isotopic molar mass","Abundance"),(.^(36)Ar,"35.96755 g mol"^(-1),"0.337"),(.^(38)Ar,"37.96272 g mol"^(-1),"0.063"),(.^(40)Ar,"39.9624 g mol"^(-1),"99.600):} |
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Answer» Solution :`"Molar MASS of Ar"=Sigmaf_(i)A_(i)` `""=0.00337xx35.96755+0.00063xx37.96272+0.99600xx39.96925` `""=39.948" G mol"^(-1)`. |
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