If 100 atoms of element X contains 70 atoms of 9X and 30 atoms of…

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Chemistry WAEC 2009

If 100 atoms of element X contains 70 atoms of 9X and 30 atoms of 11X, calculate the relative atomic mass of X

  • 9.6 checkmark
  • 10.6
  • 11.6
  • 20.0

The correct answer is: A

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