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The solubility of $\mathrm{CO}_{2}$ in water at $25^{\circ} \mathrm{C}$ and $1 \mathrm{atm}$ is $0.034 \mathrm{mol} / \mathrm{L} .$ What is its solubility under atmospheric conditions? (The partial pressure of $\mathrm{CO}_{2}$ in air is $0.0003 \text { atm. })$ Assume that $\mathrm{CO}_{2}$ obeys Henry's law.

$$\mathrm{K}=0.034 \mathrm{mol} / \mathrm{l} \text { . atm }$$$$C=1.02 \times 10^{-5} M$$

Chemistry 102

Chapter 12

Physical Properties of Solutions

Solutions

Rice University

Drexel University

Lectures

03:58

In chemistry, a solution is a homogeneous mixture composed of two or more substances. The term "solution" is also used to refer to the resultant mixture. The solution is usually a fluid. The particles of a solute are dispersed or dissolved in the solvent. The resulting solution is also called the solvent. The solvent is the continuous phase.

05:06

In physics and thermodynamics, the natural tendency of a system to change its state is its tendency to increase the entropy of the system. It is a measure of the disorder in a system.

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The solubility of CO2 in w…

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Okay, so Harry is low. Says that the concentration off a guess will be proportional. So there's a constant times partial pressure of the guests. So the concentration is proportional to the pressure of the guests. And this constant here, it's important, is the hang gree accounts them, and it will change depending on the total pressure temperature or even the suspicious. So for each problem, you have to compute that. Uh, so we're given some information. We know that for one a t m. We can dissolve 0.34 mall spur leader off. So too. So we have two pieces here. We can you put that all together to compute Henry's constant? Okay, Celeste, you that So the concentration that is given is 0.34 Okay. And that is equal the constant that we don't know times the pressure, which is one a gm so very easy to many, pally that, and find out that the Henry's constant is going to be the same value as we see in the left side. More her leader for 80 m Those should be the units off the Henry Constant. No, given that we know that let's go ahead and compute. What is what is going to be the concentration if we change the pressure? So now we know the constant let repeat them. And the pressure there were interested if point 000! Three ATM. Okay, so if you cancel here, the units you have more per litter, which is the unit off concentrations. It's all ginned. And that concentration will be one times 10 to the negative. Five more. Her leader, okay?

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