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

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)
  • A. 1/2 x 6.02 x 10 23
  • B. 1 x 6.02 x10 23
  • C. 2 x 6.02 x 10 23
  • D. 3x 6.02 x 10 23
  • E. 4x 6.02 x 10 23
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Correct Answer: Option B
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