Question on: JAMB Chemistry - 2014
A silicon -containing ore has 92% 28Si, 5% 29Si and 3% 30Si. Calculate the relative atomic mass of the silicon.
A
14.00
B
29.00
C
28.11
D
28.00
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Correct Option: C
((\frac{92}{100}) x 28) + ((\frac{5}{100}) x 29) + ((\frac{3}{100}) x 230) = 28.11
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