Calculate the mole fraction of the solute and solvent in a solution containing 1 mole of sugar dissolved in 19 moles of water? Remember that water is the universal solvent.
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- Moles of solute (sugar) = 1 mole - Moles of solvent (water) = 19 moles Show more…
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Strictly speaking, the solvent is the component of a solution that is present in the largest amount on a mole basis. For solutions involving water, water is almost always the solvent because there tend to be many more water molecules present than molecules of any conceivable solute. To see why this is so, calculate the number of moles of water present in 1.0 $\mathrm{L}$ of water. Recall that the density of water is very nearly 1.0 $\mathrm{g} / \mathrm{mL}$ under most conditions.
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