Question

Calculate the mass of an atom of lead [Pb = 202].

  • Mole Concept
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Answer

1 mole of Pb weighs 202 g and has 6.023 x 1023 atoms.

So, 6.023 × 1023 atoms of Pb has mass = 202 g

Therefore, 1 atom of Pb will have mass

= 202/over 6.023 × 10^{23}

= 33.53 × 10-23 g

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