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

Chemistry
JAMB 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 Answer: Option C
Explanation

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

There is an explanation video available below.


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Explanation Video

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WAEC offline past questions - with all answers and explanations in one app - Download for free
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WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
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