GENERAL CHEMISTRY CH 121
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This 1 page Class Notes was uploaded by Dariana Wolff on Monday October 19, 2015. The Class Notes belongs to CH 121 at Oregon State University taught by Staff in Fall. Since its upload, it has received 8 views. For similar materials see /class/224558/ch-121-oregon-state-university in Chemistry at Oregon State University.
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Date Created: 10/19/15
Percent Abundance Problem Natural strontium consists of the following isotopes Isotope Molar Massa g Percent Abundance Strontium84 83913 056 Strontium86 85909 986 Strontium87 86909 700 Strontium88 87906 82 5 8 Calculate the molar mass of strontium Solution Natural strontium consists of the following isotopes Isotope Molar Mass 11 Percent Abundance Strontium84 83913 056 Strontium86 85909 986 Strontium87 86909 7 00 Strontium88 87906 82 5 8 Calculate the molar mass of strontium The molar mass is the weighted average Molar mass 83913 gmol00056 85909 gmol00986 86909 gmol0070 87906 gmol08258 87634 gmol
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