The element rhenium (Re) has two naturally occurring isotopes, 185 Re and 187 Re. Rhenium is 62.60% 187 Re and 187 Re has an atomic mass of 186.956 amu. 185 Re has an atomic mass of 184.953 amu. What is the average atomic mass of rhenium (Re)? OA. 186.207 amu O B. 0.374 amu OC. 187.582 amu O D. 117.034 amu O E. 0.747 amu
The element rhenium (Re) has two naturally occurring isotopes, 185 Re and 187 Re. Rhenium is 62.60% 187 Re and 187 Re has an atomic mass of 186.956 amu. 185 Re has an atomic mass of 184.953 amu. What is the average atomic mass of rhenium (Re)? OA. 186.207 amu O B. 0.374 amu OC. 187.582 amu O D. 117.034 amu O E. 0.747 amu
Chemistry
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ISBN:9781305957404
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Chapter3: Stoichiometry
Section: Chapter Questions
Problem 41E: The element rhenium (Re) bas two naturally occurring isotopes, 185Re and 187Re, with an average...
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