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Silicon has three naturally occurring isotopes:28Si (27.9769 amu), 29Si (28.9765 amu),and 30Si (29.9738 amu). What are...

Silicon has three naturally occurring isotopes:28Si (27.9769 amu), 29Si (28.9765 amu),and 30Si (29.9738 amu). What are the percent abundances of these isotopes?

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