What is solubility related to, and what are you basing your assumptions on?

Pressure, before drinking Coke in the summer, the Coke bottle is very hard, because the pressure is strong, the gas is hard pressed into the solvent, when opened, a large amount of carbon dioxide gas overflows, because the pressure is reduced, and the gas comes out when the force is reduced.

Solubility has a lot to do with the polarity of the solute solvent.

According to the principle of similarity compatibility.

The magnitude of the solubility is determined by the nature of the substance on the one hand; On the other hand, it is also related to external conditions such as temperature, pressure, solvent type, etc. Under the same conditions, some substances are easily soluble and others are difficult to dissolve, i.e., different substances have different solubility in the same solvent. The ability of one substance to dissolve in another is usually referred to as solubility.

For example, sugars are easily soluble in water, while fats are poorly soluble in water because they are different in their solubility over water. Solubility is a quantitative representation of solubility.

The solubility of a solid substance refers to the number of grams dissolved by a substance when it reaches saturation in 100 grams of solvent at a certain temperature. In the absence of such an indication, solubility usually refers to the solubility of a substance in water. For example, at 20, the solubility of table salt is 36 grams, and the solubility of potassium chloride is 34 grams.

These data can show that at 20 o'clock, the maximum dissolved amounts of table salt and potassium chloride in 100 g water were 36 g and 34 g, respectively. It also shows that at this temperature, table salt has a stronger solubility in water than potassium chloride.

The solubility of the gas is also related to the pressure.

Dissolution is widely present in our lives.

Alive. For example:

1) Mineral water contains a lot of minerals.

2) Washing clothes is done by dissolving to remove dirt.

3) Wash your hands, face, and bath by dissolving to remove dust and greasy.

4) Glucose in injection.

5) Detergents of different concentrations. Wait a minute.

Summary. Hello, glad to answer for you. The essence of dissolution is the decomposition of solutes into solute or solvent states.

Hello, glad to answer for you. The essence of dissolution is the decomposition of solutes into solute or solvent states.

Essence is the process of diffusion of solute molecules to solvent molecules. Various weak interaction forces are formed between solute molecules and solvent molecules, such as van der Waals force, hydrogen bonding, etc., which make the solute molecules peel off from the solute mass and dissolve.

(1) Internal causes: the properties of matter itself!

2) External factors: 1) Solvent--- polar solvent, non-polar solvent. The solubility of substances in different solvents is different!

2) Temperature--- The higher the temperature of most substances, the greater the solubility; A few do the opposite!

3) The higher the temperature of the gaseous substance--- the lower the solubility; The higher the pressure, the greater the solubility!

A solute in a solution can be one or more.

The solute can be solid, liquid or gaseous, such as iodine in iodine wine, ethanol in wine, carbon dioxide in soda. It exists as a molecule or a smaller particle than a molecule in solution, such as a non-polar compound sugar in a molecular state in solution, and a polar compound salt in an ionic state in solution.

When solutes and solvents are homogeneous substances, there is no strict conceptual distinction between the two, and substances with relatively small amounts are generally called solutes.

A solute in a solution can be one or more.

A solution is when one or several substances are dispersed into another to form a homogeneous, stable mixture. A solution is composed of solutes and solvents Among them, the substances that can dissolve other substances are called solvents, and the substances that are dissolved are called solutes. The solute can be solid, liquid, or gaseous; If two liquids dissolve each other, the one with the largest amount is generally called the solvent and the one with the small amount is called the solute.

A solution may contain only one solute or multiple solutes.

Substances have three states at room temperature: solid, liquid, and gas. Therefore, there are three states of solution, the atmosphere itself is a gaseous solution, and the solid solution mixture is often called a solid solution, such as an alloy. General solution simply refers specifically to liquid solution.

There are two types of liquid solutions, namely electrolyte solutions that are capable of conducting electricity and non-electrolyte solutions that are not. Common solutions in life include sucrose solution, iodine wine, clarified lime water, dilute hydrochloric acid, salt water, air, etc.

If a substance is not completely dissolved in a solvent, the solution is called an incomplete solution. Suspended particles or precipitates may form in incomplete dissolved solutions because in some solvents, the solubility of the solute is limited and it cannot dissolve all the substances needed.

Solubility is affected by many factors, including temperature, pressure, and solvent properties. The solubility is usually fixed at room temperature and pressure, so the solubility of the solute can be used to assess whether the paiqing substance is completely dissolved.

Overall, a completely dissolved solution is homogeneous and contains no suspended particles or precipitates, whereas an incomplete dissolved solution is inhomogeneous and may contain suspended particles or precipitates.

The solution formed should be a turbid liquid.

Vinegar: solute CH3COOH (acetic acid) solvent water;

White sugar water: solute sucrose, solvent water;

Salt water: solute sodium chloride, solvent water;

Liquor: solutes are mainly ethanol, solvent water;

Iodine wine: The solute is iodine and the solvent is alcohol.

Sugar boiled water, solute is sugar, solvent is water;

soapy water, solute is soap, solvent is water;

Saline: solute NaCl, solution water.

Vinegar: solute CH3COOH (acetic acid) solution water.

White sugar water. Solute sucrose.

Solvent water. Salt water.

Solute sodium chloride.

Solvent water. Liquor.

The solute is mainly ethanol, solvent water.

Normal saline: sodium chloride, water.

For example: saline, the solvent is water, and the solute is NaCl

Sucrose water, solute, sucrose, solvent, water.

a. The solute in the solution can exist in the form of molecules or ions, such as in the aqueous solution of alcohol, the solute alcohol exists in the form of molecules, sodium chloride.

In the aqueous solution, the solute sodium chloride exists in the state only form of sodium ions and chloride ions, which is incorrect;

b. The mass fraction of a saturated solution is not necessarily larger than that of an unsaturated solution, such as potassium nitrate.

The solute mass fraction of the saturated solution at low temperature may be smaller than that of the unsaturated solution at high temperature, which is incorrect.

c. Both. First, the stable mixture is a solution, and this option is correct;

d. Some substances are soluble in water for endothermy, such as ammonium nitrate, and some substances are soluble in water for exothermy, such as sodium hydroxide.

This option is incorrect

Therefore, c

Solubility of a substance is usually referred to as the ability of one substance to dissolve in another.