Weighted Averages and Relative Atomic Mass PowerPoint

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Weighted Average Next we need the relative abundanceof each. Relative abundance is the number ofitems in the data class/total entries. There were 2 scores of 10 and 10total scores. 2/10 = 0.2 The relative abundanceof 10s is 0.2.

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Weighted Average There was only 1 score of 9; relativeabundance = 1/10 = 0.1 There were 3 scores of 8. RA = 0.3. Only 1 score of 7. RA = 0.1, etc. A table might make this easier tovisualize.

Page 1 and 2: Weighted AveragesHow relative atomi
Page 3 and 4: An Example Let’s s imagine a clas
Page 5: Weighted Average The Greek letter s
Page 9 and 10: Weighted Average Because the data c
Page 11: Why bother? At this point you may b
Page 14 and 15: Relative Atomic Mass Actually, we h
Page 16 and 17: An Example Problem To get chlorine
Page 18: Conclusion By rounding an element

Weighted Averages and Relative Atomic Mass PowerPoint

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