Problem: The Henry’s law constant for CO2 is 3.4 × 10−2 M/atm at 25 °C. What pressure of carbon dioxide is needed to maintain a CO2 concentration of 0.10 M in a can of lemon-lime soda?

FREE Expert Solution
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FREE Expert Solution

We’re being asked to determine the pressure of CO2 at 25 ˚C to maintain the CO2 concentration at 0.10 M in a can of lemon-lime soda.

Recall that the solubility of a gas is given by Henry’s law:

$\overline{){{\mathbf{S}}}_{{\mathbf{gas}}}{\mathbf{=}}{{\mathbf{k}}}_{{\mathbf{H}}}{{\mathbf{P}}}_{{\mathbf{gas}}}}$

where Sgas = solubility of the gas (in mol/L or M), kH = Henry’s law constant for the gas, Pgas = partial pressure of the gas.

95% (219 ratings)
Problem Details

The Henry’s law constant for CO2 is 3.4 × 10−2 M/atm at 25 °C. What pressure of carbon dioxide is needed to maintain a CO2 concentration of 0.10 M in a can of lemon-lime soda?

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Intro to Henry's Law concept. You can view video lessons to learn Intro to Henry's Law Or if you need more Intro to Henry's Law practice, you can also practice Intro to Henry's Law practice problems .

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Based on our data, we think this problem is relevant for Professor Du's class at UGA.

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