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<h3>Answer:</h3>
3.2 moles of Oxygen
<h3>Explanation:</h3>Acetic Acid having chemical formula C₂H₄O₂ and structural formula attached below is the second member of carboxylic family in organic compounds. It is commonly used as vinegar<em> i.e</em>. a mixture containing 5 % Acetic acid and 95 % water.
As shown in structure 1 mole of Acetic acid contains 2 moles of Carbon atoms, 4 moles of Hydrogen atoms and 2 moles of Oxygen atoms respectively. Hence, the number of moles of Oxygen atoms contained by acetic acid containing 3.2 moles of Carbon is calculated as,
2 moles of C accompany = 2 moles of O
So,
3.2 moles of C will accompany = X moles of O
Solving for X,
X = (3.2 mol C × 2 mol O) ÷ 2 mol C
X = 3.2 mol of Oxygen