Why does water have a leveling effect on acids and bases?

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In summary, water can act as a base itself and also reacts with stronger bases like NaOH or KOH to produce OH- ions. When a stronger base, such as A- in a soluble salt like MA, is added to water, it becomes the new base and the resulting HA is a weak acid with less impact on pH.
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brainyman89
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can somebody explain to me the reason of leveling effect of water in details and numbers? thanks in advance.
 
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Such bases as NaOH, or KOH, which are stronger bases than water, will give OH- ions in water. Also, water itself dissociates to give small amounts of H3O+ and OH-. If a stronger base than H2O is dissolved in water, it will produce OH- and a weak acid.

Assume MA is a very soluble salt, and that A- is a stronger base than H2O.
H2O + M+ + A- -------> M+ + OH- + HA
The OH- is the base now, and HA is a weak acid, having much less effect on pH. Also, the HA might not ordinarily be thought of as an acid; the A- merely accepted a hydrogen ion as it formed a more neutral molecule.
 

1. What is the leveling effect of water?

The leveling effect of water refers to its ability to create a flat surface due to its cohesive forces and surface tension. This effect occurs when water is poured onto a surface, and the water molecules form a bond with each other, creating a flat surface.

2. How does the leveling effect of water work?

The leveling effect of water works through the cohesive forces between water molecules. These forces cause the water to form a flat surface when poured onto a surface. Additionally, surface tension also plays a role in creating a flat surface by minimizing the surface area of the water.

3. What factors affect the leveling effect of water?

The leveling effect of water can be affected by various factors, such as the surface tension of the water, the type of surface it is poured onto, and the temperature of the water. Other factors, such as the presence of impurities or surfactants, can also affect the leveling effect.

4. Why is the leveling effect of water important in everyday life?

The leveling effect of water has practical applications in our daily lives. For example, it helps to create a smooth and even surface when painting or applying a protective coating. It also allows for the formation of flat and stable ice surfaces, such as ice skating rinks.

5. Can other liquids exhibit a leveling effect like water?

Yes, other liquids can exhibit a leveling effect similar to water, but to a lesser extent. Liquids with high surface tension, such as mercury, can also create a flat surface when poured onto a surface. However, water is considered to have one of the strongest leveling effects due to its high surface tension and cohesive forces.

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