asked in category: General Last Updated: 16th April, 2020

# What is the unit of solubility?

Water solubility is a measure of the amount of chemical substance that can dissolve in water at a specific temperature. The unit of solubility is generally in mg/L (milligrams per liter) or ppm (parts per million).

Similarly, you may ask, what is the SI unit of solubility?

Usually, solubility is expressed in grams of solute per milliliters of solution. Solubility can be expressed in any mass unit per any volume unit. On solubility graphs, solubility is usually expressed in grams of solute per mL of solution.

Also, why the temperature is mentioned in the unit of solubility? As the kinetic energy of the gaseous solute increases, its molecules have a greater tendency to escape the attraction of the solvent molecules and return to the gas phase. Therefore, the solubility of a gas decreases as the temperature increases.

Then, how is solubility measured?

Solubility is measured either in grams per 100 g of solvent – g/100 g – or number of moles per 1 L of the solution. Solubility indicates the maximum amount of a substance that can be dissolved in a solvent at a given temperature. Such a solution is called saturated.

Is solubility grams per liter?

2) divide the grams per liter value by the molar mass of the substance. This gives moles per liter, which is molar solubility.

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16th April, 2020

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