Chemistry
Grade-9
Easy

Question

One mole of carbon dioxide contains

  1. 6.02 × 1023 atoms of carbon
  2. 6.02 × 1023 atoms of oxygen
  3. 6.02 × 1023 atoms of water molecule
  4. 6.02 × 1023 atoms of hydrogen

hintHint:

One mole of any molecule = 6.02 cross times 1023 atoms of one element

The correct answer is: 6.02 × 1023 atoms of carbon


    One mole of any element =  Avogadro number of atoms = 6.02 cross times 1023 atoms
    One mole of any molecule = 6.02 cross times 1023 atoms of one element
    One mole of carbon dioxide contains 6.02 cross times 1023 atoms of Carbon & 2 cross times 6.022 cross times1023 atoms of oxygen

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