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What are the advandages of conductometric titration over the volumetric titration?
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Advantages of conductometric titration over volumetric method?
'Conductometric' IS a special case of volumetric analysis, it's the way of measuring the endpoint of titration. An other method is 'potentiometric' by measurement of pH.
Could a 25 ml volumetric flask be replaced by a 25 ml pipette to measure the solution poured into a conical flask for titration?
As the pipette is far more accurate than a flask by a factor 10 to 100 one should NOT use a volumetric flask except for standard volumes over 100 ml.
What is over-titration?
over titration is when too much titrant is added to the analyte in a titration procedure.
What is Over titration?
Over titration occurs when an excess of one solution, known as a titrant, is added to another solution. Titration is done to know the amount of solution to be added to reach neutralization.
How does back titration differ from a direct titration?
direct titration involves the direct and stepwise addition of a standard titrant to the analyte whilst the back titration involves reacting a standard excess titrant wth an analyte solution of an unknown concentration, then reacting the excess (left over) titrant with an analyte of known concentration to determine the concentration of excess titrant.
If the label of a gravity box reads 200 bushels is that 200 bushels volumetric or by bushel weight?
You would have to contact the manufacturer to be positive, but most builders assume volumetric dimensions. Therefore, the inside dimensions of the box probably total up to 248.891 cubic feet, or perhaps slightly over that.
How would your results have differed if you had over titrated added Na OH beyond the endpoint?
Due to the addition of more NaOH than was necessary to reach the endpoint of the titration, the recorded data would show NaOH at a higher concentration, and whatever other chemical in solution (the analyte of the titration) to appear at a lower concentration. If recording the amount of mL of the titrant added to the analyte to reach the end-point of the titration, it would cause the recorded mL needed to be higher than the true amount needed.
Why potentiometric titration instead of direct titration?
Potentiometric titrations are based on standard electrode potential change observed through potentiometer. But direct titrations are based on physical observation on color change by a human. In other words the detection of the endpoint can be noted from significant change in the voltage or millivoltage value in the case of potentiometric titration. So both precision and accuracy can be achieved in potentiometric titration.But in the case of direct titration using an indicator, change in the color is the criteria and the observation of color change can vary from one person to other and so both precision as well as accuracy cannot be achieved. For instance in an acid-base titration using methyl orange indicator, the color change observation is significantly vary from person to person.Moreover in potentiometric titration the equivalence point (different from end point and equivalence point is more accurate than end point) can be noted from a second derivative graph. So pinpoint accuracy over the titration results can be accomplished in a potentiometric titration.ByDr M Kanagasabapathy PhDAsst. Professor in Chemistry,Rajus' College, Affiliated to Madurai Kamaraj University,Rajapalayam (TN) INDIA 626 117
What is the different between conical flask and volumetric flask?
They both do something :)
What is the advantage of using burrette compared to using measuring cylinder?
A burette is preferred for titration over a measured cylinder because it can give a finer volume reading. You can also add in all your chemicals at the start of the experiment.
What is a flask used for?
AnswerA flask is a container for storing or carrying liquid.It also keeps the liquid at the same temparature over a number of hours. A flask is nominally used for carrying liquids in it and usually of the alcoholic nature, and is usually referred to as a hip flask as it is carried in a pocket either the front or back.
How do you work a flow transmitter?
A device used to measure the flow of liquids in pipelines and convert the results into proportional electric signals that can be transmitted to distant receivers or controllers. a velocity over a known surface area is measured and then it can be converted to volumetric flowrate or mass flowrate if the density of the fluid is known.
