Question

How many moles of oxygen atoms are present in one mole of KMnO₄

Answer 1

• The number of oxygen atoms present in one molecule of KMnO₄ is 4 atoms.
• Number of oxygen atoms present in KMnO₄ is $4\times 6.022\times {10}^{23}\mathrm{atoms}.$
• Thus number of moles of oxygen present is 4 moles.