How does a difference in 1 pH unit change in terms of H+ concentration? Ex: How does a pH of 3 differ from the pH of 4? Which one is stronger or weaker? Why?

Respuesta :

Answer:

PH is a logarithmic scale it means that 1 increase or decrease in PH changes concentration tenfold

PH 3 is 10 times more acidic than PH 4

Explanation:

A difference in 1 unit is 10x difference in concentration. pH of 4 is stronger than pH of 3.

What is pH?

  • pH is the negative of the log to the base 10 of the hydrogen ion concentration.
  • The value of pH is defined by the equation;-

           pH = - log 10 ([H + ])

The addition of water does have a large impact on weak acids or bases. The hydrogen ions in water add the concentration of hydrogen ions in acids or bases. Now, weak acids or bases have low concentration of hydrogen ions, so the addition of water has a large impact on the pH.

pH 4 is stronger than pH 3, because the concentration of hydrogen ions are less in pH 4 when compared to pH 3.

To learn more about pH here

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