Asked Jan 25, 2020

An aqueous solution containing glucose has a vapor pressure of 19.4 torr at 25°C. What would be the vapor pressure of this solution at 45°C? The vapor pressure of pure water is 23.8 torr at 25°C and 71.9 torr at 45°C.


Expert Answer

Step 1

Given data:

Chemistry homework question answer, step 1, image 1
Step 2

According to Raoult’s law, relative lowering of vapor pressure is expressed as shown below.

Chemistry homework question answer, step 2, image 1
Step 3

At 25 oC, substitute the vapor pressure of solution and...

Chemistry homework question answer, step 3, image 1

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