1). You place a beaker containing 1 kg of water in contact with an atmosphere that has a CO2 partial pressure of 10-2.5 atm and you allow free exchange of gas until equilibrium is established (remember KH-10-1.5), then you cap the solution and change the pH by titration. There is no subsequent exchange of gas with the atmosphere. Please answer the following questions about the solution speciation: a) What is the mass balance equation for dissolved carbonate? Is this a closed or open system? (3pt) b) What is the total carbonate concentration (CO3 or CȚ) as a function of pH or [H+]?(3pt) c) Write the equation for the concentration of CO3 as a function of pH or [H+]? (4pt) d) Please give me an equation for the partial pressure of CO2 in this solution as a function of pH. *Hint* start with the concentration of H₂CO3 as a function of pH or [H+]. (4 pt)
1). You place a beaker containing 1 kg of water in contact with an atmosphere that has a CO2 partial pressure of 10-2.5 atm and you allow free exchange of gas until equilibrium is established (remember KH-10-1.5), then you cap the solution and change the pH by titration. There is no subsequent exchange of gas with the atmosphere. Please answer the following questions about the solution speciation: a) What is the mass balance equation for dissolved carbonate? Is this a closed or open system? (3pt) b) What is the total carbonate concentration (CO3 or CȚ) as a function of pH or [H+]?(3pt) c) Write the equation for the concentration of CO3 as a function of pH or [H+]? (4pt) d) Please give me an equation for the partial pressure of CO2 in this solution as a function of pH. *Hint* start with the concentration of H₂CO3 as a function of pH or [H+]. (4 pt)
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![1). You place a beaker containing 1 kg of water in contact with an atmosphere that has a CO2
partial pressure of 10-2.5 atm and you allow free exchange of gas until equilibrium is established
(remember KH-10-1.5), then you cap the solution and change the pH by titration. There is no
subsequent exchange of gas with the atmosphere.
Please answer the following questions about the solution speciation:
a) What is the mass balance equation for dissolved carbonate? Is this a closed or open system?
(3pt)
b) What is the total carbonate concentration (CO3 or CȚ) as a function of pH or [H+]?(3pt)
c) Write the equation for the concentration of CO3 as a function of pH or [H+]? (4pt)
d) Please give me an equation for the partial pressure of CO2 in this solution as a function of
pH. *Hint* start with the concentration of H₂CO3 as a function of pH or [H+]. (4 pt)](https://content.bartleby.com/qna-images/question/dcef96bb-8ba9-493e-80de-a4b6e78a1db2/de462815-8534-4195-9dab-a88fd7acd6c9/wplses4_thumbnail.png)
Transcribed Image Text:1). You place a beaker containing 1 kg of water in contact with an atmosphere that has a CO2
partial pressure of 10-2.5 atm and you allow free exchange of gas until equilibrium is established
(remember KH-10-1.5), then you cap the solution and change the pH by titration. There is no
subsequent exchange of gas with the atmosphere.
Please answer the following questions about the solution speciation:
a) What is the mass balance equation for dissolved carbonate? Is this a closed or open system?
(3pt)
b) What is the total carbonate concentration (CO3 or CȚ) as a function of pH or [H+]?(3pt)
c) Write the equation for the concentration of CO3 as a function of pH or [H+]? (4pt)
d) Please give me an equation for the partial pressure of CO2 in this solution as a function of
pH. *Hint* start with the concentration of H₂CO3 as a function of pH or [H+]. (4 pt)
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