Engineering

Chemical EngineeringQ&A Library.Verizon89%5:33 PMDone3. The inside of a soda can is at a pressure of 350 kPa (gaugepressure) at 25 °C. Assuming that the gas content is mostlyCO.(you can neglect the amount of water in the vapor tofacilitate calculations)a) what are the mole fractions of CO, and water in the liquid?b) what is the partial pressure of water in the gas phase? Wasit reasonable to assume that the amount of water in thevapor phase was negligible?Henry's constant for CO, in water is 1630 atm/mole fractionVapor pressure of water at 25 °C is 23.756 mm HgQuestion

Asked Apr 19, 2019

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Step 1

Part (a)

First convert the given gauge pressure in absolute pressure in atm as:

Step 2

Since the mole fraction of water in the vapor phase is assumed to be negligible, use the formula for henry’s law to calculate the mole fraction of CO_{2} and H_{2}O in the liquid phase as:

Step 3

Part (b)

The vapor pressure of water at 25⸰C is given as 23.756 mmHg. The pa...

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