Respuesta:
7.49 % isótopo ⁶Li
isótopo ⁷Li = 100 % - 7.49 % = 92.51 %
Explicación:
m Li = (m ⁶Li · x) + m ⁷Li · (100 - x)
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100
6.941 = (6.015 · x) + 7.016 ( 100 - x)
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694.1 = (6.015 · x) + 701.6 - 7.016 · x)
x = 694.1 - 701.6
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6.015 - 7.016
x = 7.49 % isótopo ⁶Li
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Respuesta:
7.49 % isótopo ⁶Li
isótopo ⁷Li = 100 % - 7.49 % = 92.51 %
Explicación:
m Li = (m ⁶Li · x) + m ⁷Li · (100 - x)
``````````````````````````````````````````````````````
100
6.941 = (6.015 · x) + 7.016 ( 100 - x)
`````````````````````````````````````````````````````
100
694.1 = (6.015 · x) + 701.6 - 7.016 · x)
x = 694.1 - 701.6
``````````````````````````````
6.015 - 7.016
x = 7.49 % isótopo ⁶Li
isótopo ⁷Li = 100 % - 7.49 % = 92.51 %