Juluissa E.

asked • 10/19/19

how do you solve this problem

A sample of silicon contains two isotopes: silicon-28 and silicon-30. Silicon-28 atoms have a mass of 28 amu,

whereas silicon-30 atoms have a mass of 30 amu. The sample contains 150 atoms and has a total mass of 4272 amu.

Determine how many atoms of each isotope are contained in the sample.

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