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Question

What does 1 Mole of water molecules has?


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Solution

One mole:

  • "One mole contains exactly 6.02214076×1023 elementary entities. This number is the fixed numerical value of the Avogadro constant, NA, and is known as the Avogadro number."
  • It is expressed in the unit mol-1.

One mole of Water H2O:

  • Water is made up of two hydrogen atoms and one oxygen atom.
  • One mole of the water molecule has 18.02g this can be calculated by adding the masses of a number of atoms involved in the formation of the water molecule i.e. 2 hydrogen atoms and one oxygen atom.
  • Massofwater=(2×1.008)+16.0018.02g

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