The discussion focuses on calculating the vapor pressure lowering for a glucose-water solution at 25°C. The solution consists of 82.0 g of glucose (C6H12O6) in 322 g of water, with the vapor pressure of pure water at 25°C being 23.76 mmHg. The initial calculations yielded a molar fraction of solvent at 0.985, leading to a vapor pressure of 23.4 mmHg and a lowering of 0.348 mmHg. However, a math error was identified in the calculation of the mole fraction, indicating the need for a review of the arithmetic involved.
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A solution contains 82.0 g of glucose (C6H12O6) in 322 g water. Calculate the vapor pressure lowering at 25oC. The vapor pressure of pure water at 25o is 23.76 mmHg.
Yes. There is a math error in the calculation of the mole fraction.amcavoy said:Assuming I didn't make any arithmetic errors, is my process correct?