The Henry’s constant of enflurane is 0.041 L atm g-1.  Its solubility in water is 5.62 g L-1.  What is the partial vapour pressure of enflurane when it is saturated in water?  Round your answer to three significant figures.

To find the partial vapor pressure of enflurane when it is saturated in water, we can use Henry's Law, which states:

\[
P = k_H \cdot C
\]

where:
- \( P \) is the partial pressure of the gas (in atm),
- \( k_H \) is Henry's constant (in \( \text{L} \cdot \text{atm} \cdot \text{g}^{-1} \)),
- \( C \) is the solubility (in \( \text{g} \cdot \text{L}^{-1} \)).

Given:
- \( k_H = 0.041 \, \text{L} \cdot \text{atm} \cdot \text{g}^{-1} \),
- \( C = 5.62 \, \text{g} \cdot \text{L}^{-1} \) (the solubility of enflurane).

Now, let's calculate the partial vapor pressure \( P \):

\[
P = 0.041 \, \text{L} \cdot \text{atm} \cdot \text{g}^{-1} \times 5.62 \, \text{g} \cdot \text{L}^{-1}
\]

I'll calculate this now.The partial vapor pressure of enflurane when it is saturated in water is approximately \( 0.230 \, \text{atm} \) (rounded to three significant figures).

Do you want more details or have any questions?

Here are 5 related questions for further exploration:
1. What is Henry’s law and how is it used in different contexts?
2. How does temperature affect Henry’s constant for gases?
3. How would you calculate the molar solubility from the given data?
4. How does the solubility of a gas in a liquid typically change with pressure?
5. How would the partial vapor pressure change if the solubility was halved?

**Tip:** Always check the units when applying Henry's Law to ensure consistency between the constants and the solubility data.

The Henry’s constant of enflurane is 0.041 L atm g-1. Its solubility in water is 5.62 g L-1. What is the partial vapour pressure of enflurane when it is saturated in water? Round your answer to three significant figures.

Learn how to calculate the partial vapor pressure of enflurane using Henry's Law. This example provides a detailed solution using Henry's constant (0.041 L atm g-1) and the solubility of enflurane in water (5.62 g L-1). Suitable for high school students in Grades 10-12.

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