1989 Given that 1 mole of carbon -12 weighs 12.0g, how many atoms are there
CHEMISTRY
WAEC 1989
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 x1023
- B. 1 x 6.02 x1023
- C. 2 x 6.02 x 10 2323
- D. 3x 6.02 x 10 2323
Correct Answer: B. 1 x 6.02 x1023
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