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Why is there a minus sign on the definition of pH?
pH of a solution is the negative logarithm of the hydrogen-ion concentration
What is the mathematical definition of pH?
pH is a measure of the concentration of hydrogen ions in a solution. It is defined as the negative logarithm (base 10) of the hydrogen ion concentration in moles per liter. Mathematically, pH = -log[H+].
What is operational definition of ph?
The operational definition of pH is the measure of the acidity or alkalinity of a solution, representing the concentration of hydrogen ions present. It is defined as the negative logarithm of the hydrogen ion concentration in a solution. pH values range from 0 to 14, with 7 considered neutral, below 7 acidic, and above 7 alkaline.
What is the definition for pH?
pH is equal to the negative log of the concenetration of hydrogen ions in a solution. More simply, pH=-log[H+]. The hydrogen ion concentration is in moles/liter.
How does pH relate to hydrogen ion concentration?
pH is a measure of the concentration of hydrogen ions in a solution. As pH decreases, the hydrogen ion concentration increases, and as pH increases, the hydrogen ion concentration decreases. pH is calculated using the negative logarithm of the hydrogen ion concentration.
Do bases have a high or low concentration of hydrogen ions?
Bases have a lower concentration of hydrogen ions compared to acids. This is because bases donate hydroxide ions (OH-) which can combine with hydrogen ions (H+) to form water, reducing the concentration of free hydrogen ions in the solution.
What is the pH of a hydrogen solution that has a hydrogen concentration of 10-2?
If concentration of Hydrogen in solution is 10-2 then its pH must be 2.
Does the pH scale indicate the consentration of hydrogen ions or hydroxide ions?
The pH scale indicates the concentration of hydrogen ions in a solution. A lower pH value indicates a higher concentration of hydrogen ions, while a higher pH value indicates a lower concentration of hydrogen ions.
How is a change in hydrogen ion concentration reflected in the pH?
pH is the negative logarithm of the hydrogen ion concentration; so an increase in hydrogen ion concentration give a reduction in pH. A reduction in hydrogen ion concentration causes an increase in pH.
How does the concentration of hydrogen ions vary with pH?
pH is the negative log of the hydrogen ion concentration. So lowering pH from 5 to 4 means a ten times increase in hydrogen ion concentration. Increasing pH by 1 results in decreasing hydrogen ion concentration to 1/10th its former level.
What is the pH when hydrogen ion concentration is 7.0 x 10-3 M?
By definition pH = - log10 [H+], where [H+] = concentration H+ of in mol/LSo at [H+] = 7.0*10-3 the answer will be pH = - log (7.0*10-3) = (2.1549) = 2.15
What is the pH of a solution that has a hydrogen ion concentration of 110?
A hydrogen ion concentration of 110? 110 what? Or is that supposed to be 1x101
