The mole

Tutorial 2

        

Definition of the mole One mole of atoms are $ 6.023 \cdot 10^{23} $ atoms One mole of molecules are $ 6.023 \cdot 10^{23} $ molecules If $ n $ denotes the number of moles of atoms, then Number of atoms = $ n \cdot 6.023 \cdot 10^{23} $ If $ n $ is the number of moles of molecules, then Number of molecules = $ n \cdot 6.023 \cdot 10^{23} $

How many hydrogen atoms has one molecule of water?

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