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If 1 mole of sodium contains 6 x 1023 atoms, how many atoms are contained...

Chemistry
WAEC 2006
If 1 mole of sodium contains 6 x 1023 atoms, how many atoms are contained in 0.6 g of sodium? [Na = 23]
  • A. 1.56 x 1023
  • B. 1.56 x 1022
  • C. 3.6 x 1023
  • D. 3.6 x 1022
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Correct Answer: Option B
Explanation
23g of sodium contain 6 x 1023 atoms :. 0.6g of sodium will contain \(\frac{0.6 x 6 x 1023}{23}/) = 1.56 x 1022
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