Question

Ner the
What do you mean by solute and a solvent? Name two solids which an
and two which are insoluble in water..
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Answer 1

Answer:

solute is a substance which is to be dissolved and solvent is a substance in which a solute is dissolved..... two solids which are insoluble in water are iron and wood

Answer 2

Answer:

Solute-Solvent Combinations

The focus of Water was on water's role in the formation of aqueous solutions. We examined the primary characteristics of a solution, how water is able to dissolve solid solutes, and we differentiated between a solution, a suspension, and a colloid. There are many examples of solutions that do not involve water at all, or that involve solutes that are not solids. Table below summarizes the possible combinations of solute-solvent states, along with examples of each.

Solute-Solvent Combinations

Solute State Solvent State Example

liquid gas water in air

gas gas oxygen in nitrogen (gas mixture)

solid liquid salt in water

liquid liquid alcohol in water

gas liquid carbon dioxide in water

solid solid zinc in copper (brass alloy)

liquid solid mercury in silver and tin (dental amalgam)

Gas-Gas Solutions

Our air is a homogeneous mixture of many different gases and therefore qualifies as a solution. Approximately 78% of the atmosphere is nitrogen, making it the solvent for this solution. The next major constituent is oxygen (about 21%), followed by the inert gas argon (0.9%), carbon dioxide (0.03%) and trace amounts of neon, methane, helium, and other gases.

Solid-Solid Solutions

Solid-solid solutions such as brass, bronze, and sterling silver are called alloys. Bronze (composed mainly of copper with added tin) was widely used in making weapons in times past dating back to at least 2400 B.C. This metal alloy was hard and tough, but was eventually replaced by iron.

Liquid-Solid Solutions

Perhaps the most familiar liquid-solid solution is dental amalgam, used to fill teeth when there is a cavity. Approximately 50% of the amalgam material is liquid mercury to which a powdered alloy of silver, tin and copper is added. Mercury is used because it binds well with the solid metal alloy. However, the use of mercury-based dental amalgam has gone under question in recent years because of concerns regarding the toxicity of mercury.

Summary

Solutions may be composed of a variety of solid, liquid, or gaseous materials.

Review

Does a solution have to have water as the solvent?

Is there an example of a solution where water is the solute?

Ethylene glycol is mixed with the water in car radiator to prevent freezing. If the mixture is 40% water and 60% ethylene glycol, which substance is the solvent and which is the solute?

Explanation:

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