Lithium has two stable isotopes 6li and 7li if a sample is
Lithium has two stable isotopes, 6Li and 7Li. If a sample is composed of 29% of the lighter isotope (with the balance being 7Li), calculate the average molar mass of the sample.
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lithium has two stable isotopes 6li and 7li if a sample is composed of 29 of the lighter isotope with the balance being
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