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Diluting the vinegar in a titration with 0.1 M NaOH is necessary to ensure that the reaction occurs within a measurable and interpretable range. Vinegar, being an acetic acid solution, can have a high concentration that may lead to overshooting the endpoint if not diluted. This dilution allows for a more accurate determination of the acetic acid concentration by providing a clearer endpoint and reducing the potential for errors in measurement. Additionally, it helps in achieving a more gradual reaction, improving the precision of the titration results.

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1mo ago

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Why is it necessary to standardize the NaOH solution before titration?

Standardizing the NaOH solution before titration is important to accurately determine its actual concentration. This ensures the accuracy and reliability of the titration results by eliminating any discrepancies that may arise from variations in the concentration of the NaOH solution.


How much of NaOH were used in the titration?

The amount of NaOH used in a titration depends on the volume and concentration of the NaOH solution used in the experiment. To calculate the exact amount of NaOH used, you would need to know the molarity of the NaOH solution and the volume used in the titration.


Why do you use ethanolic NaOH instead of aq NaOH in titration?

Ethanolic NaOH is used instead of aqueous NaOH in titration to avoid side reactions with water and reduce error in the titration process. The absence of water in ethanolic NaOH helps maintain the concentration and stability of the solution, resulting in more accurate and precise titration results.


How many moles of NaOH were used in the titration process?

The number of moles of NaOH used in the titration process can be calculated by dividing the volume of NaOH solution used by the molarity of the NaOH solution.


Is coconut oil soluble in NaOH?

Nope. Coconut oil which is a lipid is insoluble in dilute alkali. Dilute NaOH is a dilute alkali.


What is nature of titration curve obtained in titration of hcl against naoh?

The titration curve obtained in titration of HCl against NaOH is a typical acid-base titration curve. It shows a gradual increase in pH at the beginning due to the addition of base (NaOH). At the equivalence point, the curve shows a sharp increase in pH since all the HCl has been neutralized. After the equivalence point, the pH continues to rise as excess NaOH is added.


What is the recommended concentration of NaOH for a successful titration experiment?

The recommended concentration of NaOH for a successful titration experiment is typically around 0.1 to 0.5 M (molarity).


Is coconut oil soluble in dilute NaOH?

No. Oils can be soluble in organic solvents such as chloroform or hexane.


What is the molarity of the aqueous NaOH?

This depends on the mass of NaOH dissolved in 1 L water.


What volume of NaOH was used in the titration?

To determine the volume of NaOH used in the titration, you need to know the concentration of the NaOH solution and the volume required to reach the endpoint. Use the formula: volume NaOH (L) = volume HCl (L) * concentration HCl / concentration NaOH.


Which indicator is used in titration of naoh and h2so4?

Phenolphthalein is commonly used as an indicator in the titration of NaOH and H2SO4. It changes color from colorless to pink as the solution reaches a specific pH range, signaling the endpoint of the titration.


Why it is necessary to cap the buret and minimize the CO 2 absorption from the NaOH solution. How will this affect your results?

When sodium hydroxide absorb carbon dioxide sodium carbonate is formed. But we need a defined mass (volume) of NaOH for a titration.