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]

  • 1.56 x 1023
  • 1.56 x 1022 checkmark
  • 3.6 x 1023
  • 3.6 x 1022

The correct answer is: 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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