Part A) Calculate the vapor pressure of water above a solution prepared by dissolving 29.5 g...

Part A)
Calculate the vapor pressure of water above a solution prepared by dissolving 29.5 g of glycerin in 140 g of water at 343 K
Part B) Calculate the mass of ethylene glycol that must be added to 1.00 kg of ethanol to reduce it's vapor pressure by 11.0 torr at 35° C. The vapor pressure of pure ethanol at 35°C is 1.00×10^2 torr.

Solutions

Expert Solution

A) The vapor pressure of water above a solution prepared by dissolving 29.5 g of glycerin in 140 g of water at 343 K is 224.35 torr.

Complete solution is shown below.

B) The the mass of ethylene glycol that must be added to 1.00 kg of ethanol to reduce it's vapor pressure by 11.0 torr at 35° C is 166.53 g.

Complete solution is shown below.

queen_honey_blossom answered 1 year ago

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