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The end point in an acid-base titration is the point at which an indicator changes color and signifies that equivalence has been reached between the acid and base being titrated. This is when the amount of acid and base are in stoichiometric proportions.

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What is the stoichiometric point of a titration called?

The stoichiometric point of a titration is called the equivalence point. At this point, the moles of acid and base have reacted in exact stoichiometric proportions, resulting in complete neutralization.


How do you get sharp end point in acid-base titration?

To get a sharp end point in an acid-base titration, it is important to add the titrant (acid or base) drop by drop near the expected end point, which is determined using an indicator. The indicator will change color when the solution reaches the end point, indicating that the reaction is complete. Slowly adding the titrant near the end point helps to achieve a sharp color change and precise determination of the equivalence point.


In a titration the point at which one drop of base turns the acid plus indicator a pink color that lasts for 30 seconds is called the?

This point is called the endpoint of the titration. It is the stage at which the reaction between the acid and base is considered complete, based on the color change of the indicator.


How do you determine the end point from titration in acid base titration process?

it depends on the indicator used, i.e. phenolphthalein is the most popular. this is colourless in acid, purple in base, very identifiable. Keep actively swirling and when it is expected to turn (figured from a rough titration beforehand) add very slowly dropwise untill the colour turns.


What does a titration graph of a weak acid with a strong base look like?

The pH at point of halfway titration is at pKa level (this even might be at pH above 7)andpH of equivalence point (end point) is not at pH = 7.0 , but (sometimes far) above 7.0.

Related Questions

What is the stoichiometric point of a titration called?

The stoichiometric point of a titration is called the equivalence point. At this point, the moles of acid and base have reacted in exact stoichiometric proportions, resulting in complete neutralization.


How do you get sharp end point in acid-base titration?

To get a sharp end point in an acid-base titration, it is important to add the titrant (acid or base) drop by drop near the expected end point, which is determined using an indicator. The indicator will change color when the solution reaches the end point, indicating that the reaction is complete. Slowly adding the titrant near the end point helps to achieve a sharp color change and precise determination of the equivalence point.


In a titration the point at which one drop of base turns the acid plus indicator a pink color that lasts for 30 seconds is called the?

This point is called the endpoint of the titration. It is the stage at which the reaction between the acid and base is considered complete, based on the color change of the indicator.


Why titration of weak acids and weak bases are not done?

It is difficult to determine the end point of such a titration, because the titration produces a buffer solution that changes its pH very slowly at the end point, in contrast to reaction between a strong acid and strong base.


How do you determine the end point from titration in acid base titration process?

it depends on the indicator used, i.e. phenolphthalein is the most popular. this is colourless in acid, purple in base, very identifiable. Keep actively swirling and when it is expected to turn (figured from a rough titration beforehand) add very slowly dropwise untill the colour turns.


What does a titration graph of a weak acid with a strong base look like?

The pH at point of halfway titration is at pKa level (this even might be at pH above 7)andpH of equivalence point (end point) is not at pH = 7.0 , but (sometimes far) above 7.0.


Will the solution at the end point of an acidbase titration be acidic neutral or alkaline if it is a weak acid and strong base?

The solution at the endpoint of an acid-base titration involving a weak acid and a strong base will be alkaline. This is because the weak acid will have been neutralized by the strong base, resulting in excess hydroxide ions in the solution causing it to be alkaline.


Why titration of weak acid and weak base are not done?

Titration of weak acid and weak base is not typically performed because the equivalence point is difficult to determine due to the buffering capacity of the solution at the equivalence point. The pH at the equivalence point for weak acid and weak base titrations may not be close to 7, making it challenging to accurately detect the endpoint.


Why did the solution turn to pink at the of the titration?

because the solution react with sulphuric acid. other than that, the end point is indicated.


Describe a method to visually detect the end point of a titration without the use of instruments?

The method used most often in chemistry labs is by use of a pH indicator in the sample being titrated. When you reach the titration point, the indicator will change colors, demonstrating the end point of the titration.


Can pH meter can be used for acid base titration?

Yes, a pH meter can be used for acid-base titrations by measuring the pH of the solution being titrated as the titrant is added. This can help determine the equivalence point of the titration when the pH changes sharply, indicating the end point. It is important to calibrate the pH meter properly and use it in conjunction with appropriate indicators for accurate results.


Why can't we titrate a weak acid and a weak base?

Titration of a weak acid and weak base is difficult because their pH at the equivalence point is close to neutral, making it challenging to detect the end point accurately. Additionally, the buffering capacity of these solutions can make the pH change slowly, leading to imprecise titration results.