Why does adding distilled water not affect titration?
Table of Contents
- 1 Why does adding distilled water not affect titration?
- 2 Why does the addition of extra distilled water to the flask not affect the amount of sodium hydroxide that must be added to react with oxalic acid?
- 3 Why does it not matter if a little distilled water is left in the flask after it has been rinsed?
- 4 Does the addition of distilled water when the titration almost reaches the end point affect the result of titration?
- 5 Why do you dilute vinegar before titration?
- 6 Why is it that adding distilled water to the HCL sample prior to beginning the titration does not affect the results of the molarity determination of stock HCL solution?
- 7 Why wash sides of flask with DI water during titration?
- 8 Why does distilled water not affect titration?
Why does adding distilled water not affect titration?
This is because since the volume and the concentration of the acid is known. The number of moles added is known to us and this number doesn’t change regardless of how much water is in the flask.
Why does the addition of extra distilled water to the flask not affect the amount of sodium hydroxide that must be added to react with oxalic acid?
Since the oxalic acid was weighed out, the number of moles of oxalic are known and these moles don’t change with the addition of water. So, adding more water to the flask while doing this titration will have no affect on the end result.
Would adding extra distilled water to the Erlenmeyer flask during the titration affect the calculated molarity of the Naoh solution explain?
Would adding extra distilled water to the Erlenmeyer flask during the titration affect the calculated molarity of the N a O H solution? Explain. Yes, adding extra water will change the number of moles of base added. Yes, adding extra water will change the total volume and thus make the N a O H molarity lower.
Why does adding distilled water to vinegar sample not affect titration?
Any distilled water you add to this erlenmeyer will change its volume, but won’t change the amount of substance of acid inside it, neither the initial volume you added of the acid solution.
Why does it not matter if a little distilled water is left in the flask after it has been rinsed?
If you rinse the burette with the solution to be used, then any tiny amounts of liquid remaining are the same as the solution used to fill the burette, so they will not change the concentration of the solution in any way.
Does the addition of distilled water when the titration almost reaches the end point affect the result of titration?
When you do a titration, you are titrating to an endpoint. You can use water to rinse the side of the flask, so all the reagents are in the reaction flask. So the presence of water should not affect the endpoint.
Why does the addition of extra water to the samples in the flasks in steps 2 and 5 have no effect on the calculations?
When you add water to the analyte, you dilute a solution of unknown molarity. This dilution ultimately does not affect the experimental results. The concentration of the analyte is still unknown.
Why is distilled water used in titration?
Distilled water contains very little dissolved substances that would interfere with a titration. Note that there are several kinds of titrations: acid-base, oxidation-reduction, and hardness to name three.
Why do you dilute vinegar before titration?
The vinegar we will be using has an acetic acid concentration that would require a large volume of sodium hydroxide for this titration. So we will dilute the vinegar with water before performing the titration.
Why is it that adding distilled water to the HCL sample prior to beginning the titration does not affect the results of the molarity determination of stock HCL solution?
What is the purpose of adding deionized water to the vinegar in the Erlenmeyer flask?
The amount of acetic acid in vinegar is determined by the volumetric titration of acetic acid with standardized NaOH solution. When atmospheric carbon dioxide is absorbed by deionized water used in the titration, it would react with water and form carbonic acid.
What happens when NaOH is added to acetic acid?
Acetic acid, CH3COOH, will react with sodium hydroxide, NaOH, to produce sodium acetate, CH3COONa, and water.
Why wash sides of flask with DI water during titration?
Why is it ok to wash the sides of a flask with DI water during titration even though you are diluting the acid present? Because the mols of acid don’t change with the amount of solvent present. Titration relies on merely knowing the number of mols of acid.
Why does distilled water not affect titration?
Originally Answered: Why does distilled water not affect titration? The presence of water or a solvent DOES affect titration, in that it makes reagents more dilute. Therefore the concentration of reagent in water will change the math using different concentration values for reagents and volume amounts used calculations.
Does adding water to the Erlenmeyer flask during titration affect molarity?
No, the added water does not affect the number of moles of NaOH or HCl added and the added water does not affect the volume of HCl or NaOH. Would adding extra distilled water to the Erlenmeyer flask during the titration affect the molarity of the NaOH solution?
Does adding water to NaOH change the molarity of NaOH?
Yes, adding extra water will change the number of moles of base added. Yes, adding extra water will change the total volume and thus make the NaOH molarity lower. No, the added water does not affect the number of moles of NaOH or HCl added and the added water does not affect the volume of HCl or NaOH. Start your trial now!