A silicon -containing ore has 92% 28Si, 5% 29Si and 3% 30...
A silicon -containing ore has 92% 28Si, 5% 29Si and 3% 30Si. Calculate the relative atomic mass of the silicon.
14.00
29.00
28.11
28.00
Correct answer is C
(92100 x 28) + (5100 x 29) + (3100 x 30) = 28.11
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