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The meaning of a higher H+ concentration is a low pH.

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How does an increase in the cocentration of H plus affect the number on the pH scale?

As the concentration of H+ increases, the value of pH decreases simultaneously.


What scale measures the concentration of hydrogen ions?

The scale that chemists use to describe the concentration of hydronium ions in a solution is know as the pH Scale


On the pH scale what is the pH of an acid?

0 - 6.9 The lower the pH number the higher the concentration of hydronium ions and higher the strength of acid


Why is zero the lowest number on the pH scale?

Well...zero isn't really the lowest number on the pH scale. To simplify things, we teach kids that the scale goes from 0-14, but in reality, a solution can have a negative pH. The pH is the negative log of the hydrogen concentration or -log[H+]. So for -log[H+] to be negative, log[H+] has to be positive; therefore, [H+] would have to be greater than one. A solution that has a negative pH is extremely acidic! For example, a solution with a hydrogen concentration of 2.2 M would have a pH of -log[2.2] = -0.342 The reason we use 0-14 in abstraction is because pH + pOH = 14


If pH decreases by 1 pH number on the scale then how much has the concentration of hydrogen ions increased by?

If pH decreases by 1 unit on the pH scale, it means the concentration of hydrogen ions has increased by a factor of 10. For example, if the original pH was 7 and it decreases to 6, then the concentration of hydrogen ions has increased by 10 times.


Does the pH scale measure the concentration of hydroxide ions?

Yes, if you use a little bit of math. Take 14 minus your pH and you get the negative decadic logarithm of the hydroxide concentration.


Can buffer concentration be measured on pH scale?

Buffer concentration cannot be directly measured on the pH scale. Buffer concentration is typically quantified by the molarity of the weak acid and its conjugate base in a solution. The pH scale measures the acidity or basicity of a solution based on the concentration of H+ ions. Buffers help resist changes in pH by absorbing or releasing H+ ions.


What has a greater concentration of acid pH 5 or pH 3?

pH 3 the lower down the scale the high the the concentration of acid the higher up the higher concentration of alkali's.


What number is highest on the pH scale?

The highest number on the pH scale is 14. The pH scale goes from 0 to 14.


How does the POH scale form PH scale?

pH + pOH = 14 pH is a measure of the hydrogen ion concentration, [H+] pOH is a measure of the hydroxide ion concentration, [OH-] pH = -log10[H+] pOH = -log10[OH-]


What scale describes the acidity of a solution as a number?

the pH


The pH scale is a measurement system that indicates the concentration of these in a solution?

The pH scale is a measurement system that indicates the concentration of Hydrogen ions also called Protons.