Given that 1 mole of carbon -12 weighs 12.0g, how many atoms are there in…

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Chemistry WAEC 1989

Given that 1 mole of carbon -12 weighs 12.0g, how many atoms are there in 24.0g magnesium? (C = 12, Mg = 24, NA = 6.02 x 10 23mol-1)

  • 1/2 x 6.02 x 10 23
  • 1 x 6.02 x10 23 checkmark
  • 2 x 6.02 x 10 23
  • 3x 6.02 x 10 23
  • 4x 6.02 x 10 23

The correct answer is: B

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