aqueous solution

• 水溶液

関

aq、solution

WordNet

1. a homogeneous mixture of two or more substances; frequently (but not necessarily) a liquid solution; "he used a solution of peroxide and water"
2. the successful action of solving a problem; "the solution took three hours"
3. a statement that solves a problem or explains how to solve the problem; "they were trying to find a peaceful solution"; "the answers were in the back of the book"; "he computed the result to four decimal places" (同)answer, result, resolution, solvent
4. the set of values that give a true statement when substituted into an equation (同)root
5. a method for solving a problem; "the easy solution is to look it up in the handbook"
6. similar to or containing or dissolved in water; "aqueous solutions"
7. produced by the action of water (同)sedimentary

PrepTutorEJDIC

1. 〈U〉(問題などを)『解くこと』,解明,解決法《+『of』(『for, to』)+『名』》 / 〈C〉(問題などの)『解答』,説明《+『of』(『to, for』)+『名』》 / 〈C〉〈U〉(…の)『溶液』《+『of』+『名』》 / 〈U〉溶解
2. 水の,水を含んだ

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2018/02/03 18:03:57」(JST)

wiki en

[Wiki en表示]

"Aqueous" redirects here. For the fluid in the eye, see Aqueous humour.

The first solvation shell of a sodium ion dissolved in water.

An aqueous solution is a solution in which the solvent is water. It is usually shown in chemical equations by appending (aq) to the relevant chemical formula. For example, a solution of table salt, or sodium chloride (NaCl), in water would be represented as Na⁺(aq) + Cl⁻(aq). The word aqueous means pertaining to, related to, similar to, or dissolved in, water. As water is an excellent solvent and is also naturally abundant, it is a ubiquitous solvent in chemistry.

Substances that are hydrophobic ('water-fearing') often do not dissolve well in water, whereas those that are hydrophilic ('water-friendly') do. An example of a hydrophilic substance is sodium chloride. Acids and bases are aqueous solutions, as part of their Arrhenius definitions.

The ability of a substance to dissolve in water is determined by whether the substance can match or exceed the strong attractive forces that water molecules generate between themselves. If the substance lacks the ability to dissolve in water the molecules form a precipitate.

Reactions in aqueous solutions are usually metathesis reactions. Metathesis reactions are another term for double-displacement; that is, when a cation displaces to form an ionic bond with the other anion. The cation bonded with the latter anion will dissociate and bond with the other anion.

Aqueous solutions that conduct electric current efficiently contain strong electrolytes, while ones that conduct poorly are considered to have weak electrolytes. Those strong electrolytes are substances that are completely ionized in water, whereas the weak electrolytes exhibit only a small degree of ionization in water.

Nonelectrolytes are substances that dissolve in water yet maintain their molecular integrity (do not dissociate into ions). Examples include sugar, urea, glycerol, and methylsulfonylmethane (MSM).

When writing the equations of aqueous reactions, it is essential to determine the precipitate. To determine the precipitate, one must consult a chart of solubility. Soluble compounds are aqueous, while insoluble compounds are the precipitate. Remember that there may not always be a precipitate.

When performing calculations regarding the reacting of one or more aqueous solutions, in general one must know the concentration, or molarity, of the aqueous solutions. Solution concentration is given in terms of the form of the solute prior to it dissolving.

See also

• Metal ions in aqueous solution
• Solubility
• Dissociation (chemistry)
• Acid-base reaction theories
• Properties of water

References

• Zumdahl S. 1997. Chemistry. 4th ed. Boston: Houghton Mifflin Company. p 133-145.

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Related Links

• Aqueous solution - Wikipedia, the free encyclopedia

An aqueous solution is a solution in which the solvent is water. It is usually shown in chemical equations by appending (aq) to the relevant formula, such as NaCl ( aq). The word aqueous means pertaining to, related to, similar to, or dissolved ...

• Aqueous Solution Definition - Chemistry - About.com

Aqueous Solution definition, as used in chemistry, chemical engineering, and physics.

Related Pictures

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★リンクテーブル★

リンク元	「水溶液」「aq」
関連記事	「solution」「aqueous」

「水溶液」

　　[★]

英

solution、aqueous solution、aq

関

解決、解答、解法、溶液、溶体、溶解液

「aq」

　　[★]

• 水溶液

関

aqueous solution、solution

「solution」

　　[★]

• n.

• 溶液、溶解液、水溶液、溶体、解決、解答、解法

関

answer、aq、aqueous solution、resolution、resolve、settle、solve、unravel

　 　 　 　 　 　

「aqueous」

　　[★]

• adj.

• 水性の、水の、水溶性の

関

aqua、H2O、water、water solubility、water-based、water-soluble