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Mole Concept

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Question

A solution contains $2.80$ moles of acetone $(C H_{3} C O C H_{3})$ and $8.20$ moles of $C H C l_{3}$ . Calculate the mole fraction of acetone.(give answer in 110X)

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Solution

The mole fraction of acetone $χ_{2} = \frac{n_{2}}{n_{1} + n_{2}} = \frac{2.80}{8.2 + 2.8} = \frac{2.8}{11} = 0.255$ .

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