Home » Chemistry » A silicon -containing ore has 92% 28Si, 5% 29Si and 3% 30Si. Calculate the relative…

A silicon -containing ore has 92% 28Si, 5% 29Si and 3% 30Si. Calculate the relative…

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
Correct Answer: Option C
Explanation

((frac{92}{100}) x 28) + ((frac{5}{100}) x 29) + ((frac{3}{100}) x 30) = 28.11

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Explanation Video