Question
Maltose, $\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11}$, is a sugar produced by malting (sprouting) grain. A solution of maltose at $25^{\circ} \mathrm{C}$ has an osmotic pressure of $5.50$ atm. What is the molar concentration of maltose?
Step 1
Step 1: We know that the osmotic pressure (π) is given by the formula: \[π = nRT/V\] where: - n is the number of moles of the solute, - R is the ideal gas constant, - T is the temperature in Kelvin, - V is the volume of the solution. Show more…
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Maltose, $\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11},$ is a sugar produced by malting (sprouting) grain. A solution of maltose at $25^{\circ} \mathrm{C}$ has an osmotic pressure of $5.00 \mathrm{~atm}$. What is the molar concentration of maltose?
When a 2.850 g mixture of the sugars sucrose $\left(\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11}\right)$ and fructose $\left(\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}\right)$ was dissolved in water to a volume of 1.50 $\mathrm{L}$ , the resultant solution gave an osmotic pressure of 0.1843 atm at 298.0 $\mathrm{K}$ . What is $X_{\text { sucrose of the mixture? }}$
The osmotic pressure of blood is 7.53 atm at 25°C. What concentration of glucose (C6H12O6) is isotonic (same osmotic pressure) with blood? Express the concentration of glucose in % by mass. The density of glucose solution is 1.11 g/mL. Π= MRT, R = 0.082 L atm/mol K.
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