How do you find the accurate titration value?
Table of Contents
How do you find the accurate titration value?
Terms in this set (9)
- Meniscus at eye level. To avoid parallax error.
- White tile. To see end point clearer.
- Remove funnel before titrating. Increases the vol making the titre smaller.
- Dropwise addition.
- No bubbles in pipette & burette at the tip.
- Swirling during titration.
- Few drops of indicator.
- Repeat the titration.
How do you find the endpoint in a titration?
The endpoint of a titration is the point where the indicator just changes colour. The equivalence point is when the ratio of the reactants is in the amounts specified by the equation. Ideally you would want these points to coincide.
Why is more than one accurate titration carried out?
Remember you should always repeat whole process at least 3 times to ensure you have an accurate result, as there is the potential for both random and systematic errors to affect your results.
What is endpoint in a titration?
End Point. end point: the point during a titration when an indicator shows that the amount of reactant necessary for a complete reaction has been added to a solution.
How do you record titration?
Record your final volume from your burette. Once you’ve reached the endpoint of your titration, close the stopcock and record the final volume of your titrant in the burette. Subtract your final volume from your starting volume to get total volume of titrant added.
Is titration an accurate method?
The accuracy of the results of your titration will be a reflection of the care you took while performing it. When done carefully, titrations give very accurate, precise results. Before performing a titration, you should familiarize yourself with the proper cleaning procedures and use of the equipment you will be using.
Why is titration not accurate?
Several factors can cause errors in titration findings, including misreading volumes, mistaken concentration values or faulty technique. Care must be taken as the solution of the known concentration is introduced into a specific volume of the unknown through laboratory glassware such as a burette or pipette.
Why is titration known as volumetric analysis?
Titration, also known as titrimetry, is a common laboratory method of quantitative chemical analysis that is used to determine the unknown concentration of an identified analyte (Medwick and Kirschner, 2010). Since volume measurements play a key role in titration, it is also known as volumetric analysis.