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what is the relative atomic mass of a silicon containing ore with 92% 28'Si,5%29'Si and 3%30'Si?
8 years ago

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DrBob222
(0.92*28)+(0.05*29)+(0.03*30) = ?
8 years ago
Jonathan
28.11 i got this but 29 is the answer in my text.
8 years ago

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