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circuit232
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Hey guys! I have an exam tomorrow on back titration. Can i have some useful advice?
Oh sorry. I mean Back Titration of acid-base pair.Bystander said:"Back titration" of what? Acid-base pairs? Redox couples? You will have to be a bit more specific.
Back titration is a technique used in chemistry to determine the amount of a substance by reacting it with an excess of another substance and then titrating the remaining excess to determine the initial substance's amount.
Back titration is commonly used when the reaction between the two substances is slow or when the substance being analyzed is in a small amount and cannot be easily titrated directly.
The first step is to react the unknown substance with an excess of a known substance. Then, the excess of the known substance is titrated with a third substance to determine the amount of the excess. Finally, the initial substance's amount is calculated using stoichiometry.
Some tips for acing a back titration exam include understanding the concept, practicing solving problems, and being familiar with the equipment and techniques used in back titration. It is also essential to carefully read and understand the question and show all the steps in your calculations.
Some common sources of error in back titration include incomplete reaction between the initial and excess substances, contamination of the substances, and errors in measurement or calculation. It is crucial to carefully follow the steps and use accurate and precise equipment to minimize these errors.