Average Atomic Mass Problems Worksheet. If the abundance of 85rb is 72 2 and the abundance of 87rb is 27 8 what is the average atomic mass of rubidium. Find the average atomic mass for li if 75 of li atoms are 6li with a mass of 60151223 amu and 925 are 7li with a mass of 70160041 amu.
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Average atomic mass mass1 x isotope1 mass2 x isotope2 etc 100 average atomic mass calculation practice worksheet show your work for each of the following problems. Average atomic mass practice remember to report your answer to the proper number of significant figures. Average atomic mass worksheet.
Find the average atomic mass for li if 75 of li atoms are 6li with a mass of 60151223 amu and 925 are 7li with a mass of 70160041 amu.
There are three isotopes of silicon. 1 rubidium is a soft silvery white metal that has two common isotopes 85rb and 87rb. The following general formula can be used in all cases. Average atomic mass worksheet.
