Chemistry, 12.02.2022 14:00 sCoTtYbOy5329

Naturally occurring bromine consists of two isotopes, 79Br and 81Br, with masses of 78.9183 amu and 80.9163 amu, respectively. Given that the observed atomic mass of bromine is 79.904 amu, calculate the percentage of 79Br in naturally occurring bromine. Enter your answer to 2 decimal places.

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Naturally occurring bromine consists of two isotopes, 79Br and 81Br, with masses of 78.9183 amu and...

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