The pH of a water is 6.9. This water contained no chemicals before opening to the ambient air. Equilibrium is assumed between water and atmospheric CO2. The temperature is 25°C. The Henry's constant for carbon dioxide is 10-1.47 M/atm. The partial pressure of carbon dioxide is 10-1.53 atm. What is the concentration (in mg/L) of carbonic acid in water?

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The pH of a water is 6.9. This water contained no chemicals before opening to the
ambient air. Equilibrium is assumed between water and atmospheric CO2. The
temperature is 25°C. The Henry's constant for carbon dioxide is 10-1.47 M/atm.
The partial pressure of carbon dioxide is 10-1.53 atm.
What is the concentration (in mg/L) of carbonic acid in water?
Transcribed Image Text:The pH of a water is 6.9. This water contained no chemicals before opening to the ambient air. Equilibrium is assumed between water and atmospheric CO2. The temperature is 25°C. The Henry's constant for carbon dioxide is 10-1.47 M/atm. The partial pressure of carbon dioxide is 10-1.53 atm. What is the concentration (in mg/L) of carbonic acid in water?
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