lithium-has-only-two-naturally-occurring-isotopes-the-mass-of-lithium-6-is-60151

Question

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. Calculate the relative abundances of the two isotopes.

Accepted Answer

% abundance Li-6 = 7.494%

% abundance Li-7 = 92.506%

Answer

% abundance Li-6 = 92.588%

% abundance Li-7 = 7.412%

Answer

% abundance Li-6 = 7.412%

% abundance Li-7 = 92.588%

Answer

% abundance Li-6 = 92.506%

% abundance Li-7 = 7.494%

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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. Calculate the relative abundances of the two isotopes.