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
waec 2006chemistry

The correct answer is B. 1.56 x 1022

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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