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What number does the pH scale end?
The range of the pH scale is 0-14.
The pH of an acid is anything less than?
The pH of an acid is lower than 7 on the pH scale, with stronger acids having pH values closer to 0.
PH or acidity which is better indicator?
The acidity range is a part of the pH scale.
What is the midpoint of the pH scale?
The midpoint of the pH scale is pH 7, which is considered neutral. Substances with a pH lower than 7 are acidic, while substances with a pH higher than 7 are basic.
Why does the pH scale ordinarily run from 0 to 14 is it possible for the scale to extent beyond 0 and 14if so how?
The pH scale is the negative of the logarithm of the hydrogen ion concentration (molarity) in a solution. Thus at pH 1 there are 1x 10-1 mol/liter of H+ present and at pH 14 there are 1x10-14 mole/liter present (much less) Obviously you could have 1x10-15 mol/liter present for a pH of 15 or even a fraction of of a mole to give a pH of less than 1 (pH 0.698 = 0,2 mole/liter.) At pH 0 the concentration would be 10 mol/liter Now what happens at lower than zero pH. Any acid that has a concentration of hydrogen ions with a molarity greater than 1 can be calculated to have a negative pH. The pH of 12M HCl would be -log(12) = -1.08. The proof of the concentration and pH would be physically difficult as the pH probes don't work well in this range (acid error).
What is the range of values that are used to express the acidity or alkalinity of a system?
The pH scale. The pH scale goes from 0 to 14. Substances that have a pH of 7 are neutral, acids have a pH of less than 7, and bases have a pH of greater than 7.
How do you in pH scale whether its acidic or alkaline?
In the pH scale, anything with a pH less than 7 is acidic, and anything with a pH greater than 7 is alkaline.
Less than 7 on the pH scale?
Acid.
What are Acids numbers?
On the pH scale, acids have a pH of less than 7.
What range is acidic?
pH = 0 to pH = 6 is the acidic range. pH - 0 is the most acidic.
What has the pH of 9?
A pH of 9 is considered basic on the pH scale, meaning it has a higher concentration of hydroxide ions compared to hydrogen ions. It is less acidic than neutral (pH 7) and falls in the range of alkaline substances.
Is the base the highest number on a pH scale?
Yes. A base has a pH of greater than 7. An acid has a pH of less than 7.
How can you identify acid?
pH scale of less than 7sour taste
What is the pH range for an acid?
pH of 7 is neutral. there is no absolute ends to the pH scale, so an acid is anything with a pH rating of less then 7, and a base is anything greater then 7. for all practical purposes, a scale of 1-14 or sometimes 0-14 is used, but it is possible to exceed these constrainsts.
What number does the pH scale end?
The range of the pH scale is 0-14.
Is a scale that measures the acidity or basicity of a solution along a range of zero to 14.?
pH
Based upon the pH scale a vegetable with a pH of 53 would be?
A vegetable with a pH of 5.3 would be slightly acidic. It falls within the range of mildly acidic substances, which typically have a pH between 4 to 6.
