Problem: Lithium has only two naturally occurring isotopes. The mass of lithium-6 is 6.01512 amu and the mass of lithium-7 is 7.01601 amu.Use the atomic mass of lithium to calculate the relative abundances of the two isotopes.

FREE Expert Solution

Assume the fractional abundance of Li-6 as x and Li-7 as 1-x then setup the equation:

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Problem Details

Lithium has only two naturally occurring isotopes. The mass of lithium-6 is 6.01512 amu and the mass of lithium-7 is 7.01601 amu.

Use the atomic mass of lithium to calculate the relative abundances of the two isotopes.

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