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O GASES, LIQUIDS, AND SOLIDS Calculating mole fraction A solution is made by mixing 97. g of water and 73. g of methanol (CH,
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Answer #1

Moles of methanol = mass / molar mass

= 73 / 32

= 2.28

Moles of water = 97 / 18

= 5.39

Mole fraction = moles of water / total moles

= 5.39 / (5.39 + 2.28)

= 0.703

Or 0.70

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