Does pH Changing with Water & Acids Matter?

Acids with higher molarity and stronger acidity will have a more significant change in pH when diluted with water. The type of acid also matters as different acids have different strengths and can have a greater or lesser effect on pH when mixed with water. So, to see a noticeable change in pH using litmus paper or a pH meter, it is important to consider the molarity and type of acid being used. In summary, the molarity and type of acid used are important factors in determining the change in pH when diluting an acid with water.
  • #1
Howlin
55
0
Hi all

I have been reading over difference sites when they discuss pH and water and acids.
I have under stood most of it.
If I change the pH of an acid of say 3, to basic, i add water and this raises the pH of the subatance

What I want to know is, does the molarity matter and type of acid I use matter or not if i want to see the change in pH myself by using litmis paper or a pH meter?
 
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  • #2
Howlin said:
Hi all

I have been reading over difference sites when they discuss pH and water and acids.
I have under stood most of it.
If I change the pH of an acid of say 3, to basic, i add water and this raises the pH of the subatance

Nope. Try again. Adding water won't make it basic but it will raise pH slightly due to dilution.

What I want to know is, does the molarity matter and type of acid I use matter or not if i want to see the change in pH myself by using litmis paper or a pH meter?

Yes molarity matters as does the type of acid.
 

Related to Does pH Changing with Water & Acids Matter?

1. How does pH change when water and acids are mixed?

The pH of a solution is a measure of its acidity or basicity and is determined by the concentration of hydrogen ions (H+) present. When water and acids are mixed, the concentration of H+ ions increases, resulting in a decrease in pH. This is because acids release H+ ions into the solution, making it more acidic.

2. Why does pH change matter?

pH change is important because it affects the chemical and biological processes in a solution. For example, changes in pH can impact the solubility of certain substances, the activity of enzymes, and the growth of microorganisms. In addition, pH changes can indicate the presence of harmful substances or the effectiveness of certain treatments.

3. How does pH change affect living organisms?

Living organisms have specific pH ranges in which they can function properly. Changes in pH can disrupt biological processes and harm organisms. For example, a decrease in pH can make a solution too acidic for many aquatic animals to survive, while an increase in pH can lead to the growth of harmful bacteria in the human body.

4. Can pH change be reversed?

Yes, pH change can be reversed through the process of neutralization. This involves adding a base to an acidic solution or an acid to a basic solution in order to balance out the concentration of H+ ions and return the pH to a neutral level. However, this process may not be effective for extreme changes in pH.

5. How can pH change be measured?

pH can be measured using a variety of tools, such as pH meters, pH paper, or universal indicator solutions. These tools work by detecting the concentration of H+ ions in a solution and converting it to a numerical value on the pH scale. It is important to calibrate these tools regularly to ensure accurate measurements.

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