Does water/ or solid have concentration?

In summary, water does have concentration, which refers to the amount of a substance present in a given volume of water. The concentration of water can be determined by measuring the amount of solute in a given volume of water and is important because it affects the properties and behavior of water. The concentration of water can change and is different from the concentration of a solid, which is typically measured in units such as mass per volume or mass percent.
  • #1
mcato_O
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does water/ or solid have concentration?

does water/ or solid have concentration?
Why do we just ignore the concentration of solid or solution solvent and replace it as one M? I always thought the reason is because the concentration of solid or water solvent does not change much so in practice we just move it to the Kc side” such as Kw = Kc[H2O]=[H][OH]? Now I am not so sure
 
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Yes, both water and solids can have concentration. Concentration refers to the amount of a substance present in a given volume or mass. In the case of water, its concentration can be measured in terms of its density (mass per unit volume) or molarity (moles per liter). Solids can also have concentration, which is typically measured in terms of mass per unit volume or molarity.

In certain chemical reactions, the concentration of water or solid may not change significantly and therefore can be considered to have a constant concentration. In these cases, the concentration is often ignored and replaced with a single value in the equilibrium constant expression. This is because the concentration of a constant species does not affect the equilibrium and can be factored out of the equation.

However, it is important to note that in some reactions, the concentration of water or solid may play a significant role and cannot be ignored. In these cases, the concentration must be taken into account in the equilibrium constant expression.

In summary, both water and solids can have concentration and their role in equilibrium reactions depends on the specific reaction and conditions.
 

1. Does water have concentration?

Yes, water does have concentration. Concentration refers to the amount of a substance present in a given volume of water. This can be measured in various units such as parts per million (ppm) or molarity (M).

2. How is concentration of water determined?

The concentration of water can be determined by measuring the amount of solute (substance dissolved in water) in a given volume of water. This can be done through various methods such as titration or spectrophotometry.

3. Why is concentration of water important?

Concentration of water is important because it affects the properties and behavior of water. For example, the concentration of dissolved minerals in water can affect its taste and the concentration of pollutants can impact its quality.

4. Can the concentration of water change?

Yes, the concentration of water can change. It can increase or decrease depending on various factors such as the addition or removal of solutes, temperature, and pressure.

5. What is the difference between concentration of water and solid?

The concentration of water refers to the amount of solute present in a given volume of water. On the other hand, the concentration of a solid refers to the amount of a substance present in a given mass of the solid. Additionally, the concentration of a solid is typically measured in units such as mass per volume (g/L) or mass percent (%).

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