Questions

How much more basic is a solution with a pH of 9 than a solution with a pH of 7?

How much more basic is a solution with a pH of 9 than a solution with a pH of 7?

The same holds true for pH values above 7, each of which is ten times more alkaline (another way to say basic) than the next lower whole value. For example, pH 10 is ten times more alkaline than pH 9 and 100 times (10 times 10) more alkaline than pH 8. Pure water is neutral.

Is a pH of 9.3 acidic or basic?

The pH of a solution is the negative logarithm of the hydrogen-ion concentration. In pure water or a neutral solution the [H+] = 1.0 × 10-7 M. Solutions whose pH is less than 7 are acidic, while those with a pH higher than seven are basic. The pH of coffee is 9.3, which is acidic or basic.

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What does it mean if the pH of a solution equals 7?

acidic
At pH 7, the substance or solution is at neutral and means that the concentration of H+ and OH- ion is the same. If pH < 7, the solution is acidic. There are more H+ than OH- in an acidic solution.

What is the pH of a solution that is 1000 times more acidic than pure water?

4.00
That is a hydrogen-ion concentration that is 1000 times higher than the concentration in pure water. The pH of such a solution is 4.00, a difference of just 3 pH units.

How many times more basic is a solution with a pH of 9 than a solution with a pH of 8?

pH of 9 is ten times more alkaline than pH of 8). pH is a measure of the concentration of hydrogen ions.

Why is a solution with a pH of 7.0 said to be neutral?

pH is a measure of the amount of Hydrogen ions (H+) in a solution. Even in pure water ions tend to form due to random processes (producing some H+ and OH- ions). The amount of H+ that is made in pure water is about equal to a pH of 7. That’s why 7 is neutral.

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Is 1000 times more acidic than a neutral pH?

The pH of a solution is the negative logarithm of the hydrogen-ion concentration. The pH of pure water or any neutral solution is thus 7.00. That is a hydrogen-ion concentration that is 1000 times higher than the concentration in pure water.