- 5 2 5 Points An Unknown Element Has Three Stable Isotopes With Average Atomic Masses Of 27 53 Amu 45 80 30 00 Amu 3 1 (85.7 KiB) Viewed 63 times
5 2.5 points An unknown element has three stable isotopes with average atomic masses of 27.53 amu (45.80%), 30.00 amu (3
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5 2.5 points An unknown element has three stable isotopes with average atomic masses of 27.53 amu (45.80%), 30.00 amu (3
5 2.5 points An unknown element has three stable isotopes with average atomic masses of 27.53 amu (45.80%), 30.00 amu (33.50%), and 32.59 amu (20.7%). The natural abundance of each is given in the parentheses above. What is the average atomic mass of the unknown element with the correct number of significant figures? -10 29.4 amu 29.41 amu None of these answers O 30.72 amu 30.7 amu
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