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An indicator with Ka equals 1.25 x 10-4 could be used to tell you whether a solution has a pH above or below?
Wiki User
∙ 14y ago
4
Wiki User
∙ 14y ago
A Ka value of 1.25 x 10-4 indicates a weak acid. This means that the indicator would be most effective at detecting solutions with a pH close to the pKa value of the indicator, which is approximately 3.9. Therefore, the indicator could be used to determine if a solution has a pH above or below 3.9.
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What is a solution with a concentration above the equilibrium solubility called?
A solution with a concentration above the equilibrium solubility is called supersaturated. This means that the solution contains more solute than it should be able to hold at that given temperature.
Would the pH of a sodium hydroxide solution be above or below 7?
NaOH is a base so it will produce a pH above 7.
What is the pH of an aqueous solution with the hydronium ion concentration H3O plus equals 2 x 10-14 M?
The pH of the solution can be calculated using the formula pH = -log[H3O+]. Therefore, pH = -log(2 x 10^-14) ≈ 13.7. This means the solution is basic since the pH is above 7.
What kind of solution has a pH above 7 and what kind has a pH below 7?
pH above 7 = a base or alkaline solutionpH below 7 = acid or acidic solution
What scale is used to determine whether a solution is an acid or base?
When referring to acidity of a solution one uses the pH scale. The lower the number, the higher the acidity. Pure water is said to be neutral, and is a 7 on the scale. Anything with a lower number ranking is acidic, and anything with a higher ranking is basic.
What is used as an indicator of whether a solution is acidic or basic?
pH is used as an indicator of whether a solution is acidic or basic. A pH value below 7 indicates acidity, while a pH above 7 indicates alkalinity (basicity).
What does an acid base indicator measure?
An acid-base indicator measures the pH of a solution by changing color in response to the hydrogen ion concentration. It can indicate whether a solution is acidic, basic, or neutral based on the color change.
What is the colour of phenolphthalein above pH equals 9?
Phenolphthalein is the PH indicator used to detect the acidity of the solution. When the solution is acidic or near-neutral (PH<8.2), it's colorless; when the solution is basic (8.2<PH<10.0),it will turn from colorless to pink, and gradually turns fuchsia when PH reaches 12.0, back to colorless when overpasses 12.0.
Using the Kw equation how is it possible to determine whether an aqueous solution is acidic basic or neutral?
By calculating the concentration of hydronium ions and hydroxide ions in the solution and comparing them to the equilibrium constant for water (Kw = 1.0 x 10^-14 at 25°C), you can determine the pH value of the solution. If [H3O+] > [OH-], the solution is acidic; if [OH-] > [H3O+], the solution is basic; and if [H3O+] = [OH-], the solution is neutral.
Use the terms pH and indicator to describe a way to determine whether an unknown solution is acidic or basic?
To determine if an unknown solution is acidic or basic, you can use an indicator such as litmus paper. Dip the paper into the solution, and observe any color change. If the paper turns red, the solution is acidic, if it turns blue or purple, the solution is basic. The pH scale is used to quantify the acidity or basicity of a solution, with values below 7 indicating acidity, and values above 7 indicating basicity.
What is 50 equals 6d plus 8?
That is an algebraic equation. If you are asking what the solution is for the above equation, it would be:d = 7
What is the colour of a solution of baking soda in methyl orange indicator?
Baking soda pH about 8.0 so methyl orange is yellow (above 4.4)
What quanity can tell you whether a solution is acidic or basic?
The pH value of a solution indicates whether it is acidic or basic. A pH below 7 indicates acidity, while a pH above 7 indicates alkalinity (basicity).
How are universal indicators useful to scientist?
Universal indicators are useful to scientists because they can quickly determine the pH of a solution by observing a color change. This helps in identifying whether a solution is acidic, neutral, or basic without the need for a pH meter. They can be especially helpful in qualitative analysis and in quick assessment of the acidity or alkalinity of a solution.
How could you test for an acid or alkali?
To test for an acid, you can use pH paper or a pH meter to measure the pH level of a solution. Acids will typically have a pH below 7. To test for an alkali, you can use universal indicator paper which will change color depending on the pH of the solution. Alkalis typically have a pH above 7.
Is a indicator panaramic eaid or non eaid?
None of the Above
A solution is hypertonic?
The solution is above strength in solute.
