Wednesday, August 17, 2011

Atomic M help please?

Silicon has three naturally occurring isotopes: with m 27.9769 amu and a natural abundance of 92.21%, Si-29 with m 28.9765 amu and a natural abundance of 4.69%, and Si-30 with m 29.9737 amu and a natural abundance of 3.10%.. Calculate the atomic m of silicon

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