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iren [92.7K]
3 years ago
6

The atomic masses of the two stable isotopes of boron; boron-10 (natural abundance:19.78%) and boron-11 (natural abundance:80.22

%) are 10.0129 amu and 11.0093 amu, respectively.  calculate the average atomic mass of boron
 10.41 amu
10.95 amu
10.81 amu 
10.72 amu 
10.13 amu
Chemistry
1 answer:
iogann1982 [59]3 years ago
5 0
(19.78 x 10) + (80.22 x 11) all of them divided by 100= 10.81 amu
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