Lei de Henry

S = k·P.
Created by
Renato Passos, Eng. de Software
Reviewed by
Renato Passos, Eng. de Software

Last updated: Apr 18, 2026

mol/L
0,001000

About this calculator

The Henry's Law Calculator is an online tool that allows calculating the solubility of gases in liquids. Henry's Law states that the solubility of a gas in a liquid is directly proportional to the partial pressure of the gas above the liquid. This is expressed by the formula S = k·P, where S is the solubility of the gas, k is the Henry's constant, and P is the partial pressure of the gas.

The Henry's constant (k) is a measure of the solubility of the gas in the liquid and varies depending on the gas and liquid in question. The higher the value of k, the greater the solubility of the gas in the liquid. The partial pressure of the gas (P) is the pressure exerted by the gas above the liquid and is an important factor in determining solubility.

Henry's Law is commonly used in various fields, such as chemical engineering, pharmacology, and medicine. For example, it is used to calculate the solubility of anesthetic gases in blood and tissues. Additionally, it is essential to consider common precautions when using the calculator, such as ensuring consistent units of measurement and accurate input values.

It is crucial to remember that Henry's Law assumes ideal conditions and may not be applicable in all real-world situations. Therefore, it is essential to consult scientific literature and experts in the field to ensure the accuracy of the results.

Frequently asked questions

What is Henry's constant?

Henry's constant (k) is a measure of the solubility of a gas in a liquid. It varies depending on the gas and liquid in question.

How does the partial pressure of the gas affect solubility?

The partial pressure of the gas (P) is directly proportional to the solubility of the gas in the liquid. The higher the partial pressure, the greater the solubility.

In which fields is Henry's Law commonly used?

Henry's Law is commonly used in chemical engineering, pharmacology, and medicine, for example, to calculate the solubility of anesthetic gases in blood and tissues.

What precautions should I take when using the calculator?

It is essential to ensure consistent units of measurement and accurate input values.

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