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1 September, 16:29

What is the mole fraction of ethanol in a solution made by dissolving 29.2 g of ethanol

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  1. 1 September, 18:08
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    Explanation: Moles ethanol = 21.9 g x 1 mole/46 g = o. 476 moles

    moles water = 53.6 g x 1 mole/18 g = 2.98 moles

    total moles = 0.476 + 2.98 = 3.456 moles

    mol fraction ethanol = 0.476/3.456 = 0.138
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