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Environmental Engineering, environmental chemistry question:Suppose the gas above the soda in a bottle of soft drink is pure CO2 at a pressure of 2 atm.Calculate [CO2] at 25o CCalculate the pH of the soft drink at 25o C. Start with the following chemical reaction and realize the solution will be somewhat acidic:              CO2 + H2O <<<>>> H+ + HCO3-

Question

Environmental Engineering, environmental chemistry question:

Suppose the gas above the soda in a bottle of soft drink is pure CO2 at a pressure of 2 atm.

  • Calculate [CO2] at 25o C
  • Calculate the pH of the soft drink at 25o C. Start with the following chemical reaction and realize the solution will be somewhat acidic:

              CO2 + H2O <<<>>> H+ + HCO3                                                                                       

 

check_circleAnswer
Step 1

Show the Chemical Equation as follows:

со, + Н,О—н+ HCO
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со, + Н,О—н+ HCO

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Step 2

Show the expression for ionizing constant (Ka) as follows:

[HТНCО
К.
НСО,
со.|Н,о]
"а [со][но]
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[HТНCО К. НСО, со.|Н,о] "а [со][но]

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Step 3

Consider the presence of car...

[н]-[нсо:]-
k
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[н]-[нсо:]- k

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