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Lithium exists in nature in the form of ...

Lithium exists in nature in the form of two isotopes, Li-6 and Li-7 with atomic masses 6.0151u and 7.0160u and the percentages 8.24 and 91.76 respectively. Calculate average atomic mass.

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To calculate the average atomic mass of lithium based on its isotopes, we can use the formula for the weighted average of the isotopes. Here are the steps to solve the problem: ### Step-by-Step Solution: 1. **Identify the isotopes and their respective atomic masses and percentages:** - For Li-6: - Atomic mass = 6.0151 u - Percentage = 8.24% ...
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