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Saturated Solutions; Factors Affecting Solubility (Sections)
The partial pressure of in air at sea level is 0.21 atm. Using the data in Table together with Henry's law, calculate the molar concentration of 02 in the surface water of a mountain lake saturated with air at 20 °C and an atmospheric pressure of 650 torr.
Questions & Answers
QUESTION:
Saturated Solutions; Factors Affecting Solubility (Sections)
The partial pressure of in air at sea level is 0.21 atm. Using the data in Table together with Henry's law, calculate the molar concentration of 02 in the surface water of a mountain lake saturated with air at 20 °C and an atmospheric pressure of 650 torr.
ANSWER:
Step 1 of 4
The relationship between pressure and solubility of a gas is expressed by a simple equation known as Henry's law.
..................(1)
Here,
= Solubility of the gas in a solution.
= partial pressure of the gas in a solution at given temperature.
= Henry's constant.