This solution is basic, since it has very little dissolved Hydronium ion. (It has exactly 10-9 hydronium ions per Liter, which is very few. Less hydronium ions means less acidity.)
Remember too that a solution with pH > 7 is basic, and a pH < 7 is acidic.
Remember that pH is a number that represents the concentration of hydronium ion (H+) in a solution. The equation for this is
pH = -log10[H+].
If you have a pH of 9, then you can solve for the concentration of hydronium ions as follows.
pH = 9
-9 = log10[H+]
You can then raise both sides of the equation to the power of 10 in order to eliminate the log.
10-9=10log10[H+]
10-9=[H+] since 10log10[H+] = [H+]
So a pH of 9 indicates a hydronium ion concentration of [H+] = 10-9
A solution with a pH of 7 is neutral, indicating a balance between acidic and basic properties. A solution with a pH of 9 is slightly basic, meaning it has a higher concentration of hydroxide ions compared to a neutral solution.
A solution with a pH of 9 has a greater concentration of hydroxide ions than a solution with a pH of 3. The pH scale is a logarithmic scale, with each unit representing a tenfold difference in hydrogen ion concentration. Therefore, a solution with a pH of 9 has a concentration of hydroxide ions 1,000 times greater than a solution with a pH of 3.
A solution with a pH of 6 is more acidic than a solution with a pH of 9. The pH scale ranges from 0 to 14, with lower values indicating higher acidity. Each whole number change in pH represents a tenfold difference in acidity or basicity.
Neutral
is a basic compound that when dissolved in water, forms a solution with a pH greater than 7. The pH of 9 indicates that the solution is moderately alkaline.
acidity or basicity of a solution
A solution with a pH of 7 is neutral, indicating a balance between acidic and basic properties. A solution with a pH of 9 is slightly basic, meaning it has a higher concentration of hydroxide ions compared to a neutral solution.
A solution with a pH of 9 has a greater concentration of hydroxide ions than a solution with a pH of 3. The pH scale is a logarithmic scale, with each unit representing a tenfold difference in hydrogen ion concentration. Therefore, a solution with a pH of 9 has a concentration of hydroxide ions 1,000 times greater than a solution with a pH of 3.
A solution with a pH of 6 is more acidic than a solution with a pH of 9. The pH scale ranges from 0 to 14, with lower values indicating higher acidity. Each whole number change in pH represents a tenfold difference in acidity or basicity.
Neutral
is a basic compound that when dissolved in water, forms a solution with a pH greater than 7. The pH of 9 indicates that the solution is moderately alkaline.
A solution with a pH of 9 is classified as being basic or alkaline. This means that it has a higher concentration of hydroxide ions compared to hydronium ions.
A solution with a pH of 9 is 10 times more alkaline than a new solution with a pH of 7. This is because pH is a logarithmic scale, with each unit representing a tenfold change in acidity or alkalinity.
9
Acetic acid is added to the solution, but the pH of the solution does not change. Sodium hydroxide, a base, is added to the solution, but the pH of the solution does not change.
A solution with a pH of 9 is a weak alkaline.A pH of 9 is a weak base. The concentration of H+ ions contributes to the pH of a substance. As the pH number goes up, the concentration of H+ ions goes down.It directly translates to pHx= 1x10 to the power of -x moles per liter.
The PH paper soaks up the solution & tests the liquid, the pH paper will then change colour to show what the solution contains. Although if the paper stays the same colour it means the solution is nutral & safe.