What is the mole fraction of isopropyl alcohol, C3H8O, in an aqueous solution that is 46.0% isopropyl alcohol by mass? 0.204 0.263 0.321 0.398 0.452
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We have a solution that is 46.0% isopropyl alcohol by mass. This means that in 100 g of the solution, there are 46 g of isopropyl alcohol and 54 g of water. Show more…
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A 100.0 -g sample of a brand of rubbing alcohol contains $65.0 \mathrm{~g}$ of isopropyl alcohol, $\mathrm{C}_{3} \mathrm{H}_{7} \mathrm{OH},$ and $35.0 \mathrm{~g}$ of water. What is the mole fraction of isopropyl alcohol in the solution? What is the mole fraction of water?
An aqueous solution of isopropyl alcohol, $\mathrm{C}_{3} \mathrm{H}_{8} \mathrm{O}$, rubbing alcohol, has a mole fraction of alcohol equal to $0.250 .$ What is the percent by mass of alcohol in the solution? What is the molality of the alcohol?
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