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Titration in analytical chemistry is a method to determine the concentration of a solution using a titrant of known concentration. The process involves adding the titrant to the analyte until the reaction's equivalence point is reached, indicated by a color change from a chosen indicator. The titration curve and pH changes provide insights into the reaction's chemistry, allowing for the calculation of unknown solution concentrations. Selecting the correct indicator based on the pH transition range is crucial for accurate titration results.
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Titration is an analytical technique used in chemistry to determine the concentration of a solution by reacting it with a standard solution
Standard Solution
The titrant is a standard solution of known concentration used in titration to react with the analyte
Gradual Addition
The titrant is slowly added to the analyte solution until the chemical reaction between the two is complete
Indicators are used to determine the equivalence point, which is the point at which the reaction is complete and indicated by a change in a measurable property
Titration involves precise measurement of the analyte, addition of an indicator, and slow dispensing of the titrant while continuously mixing
pH Change
The titration curve shows the gradual change in pH as the titrant is added to the analyte solution
Equivalence Point
The equivalence point is the steepest part of the titration curve and represents the stoichiometric completion of the reaction
The shape of the titration curve is affected by the nature of the acid and base involved in the reaction
The concentration of an unknown solution can be determined by calculating the average volume of titrant used and using the stoichiometry of the reaction
The choice of indicator is crucial in accurately determining the endpoint and obtaining valid titration results
00
In chemistry, ______ measures the concentration of a solution by mixing it with a standard solution, known as the ______.
Titration
titrant
01
The endpoint of a titration is determined by a shift in a measurable property, often a ______ shift, which occurs when equal amounts of reactants have combined.
color
02
Purpose of indicator in titration
Signals endpoint by color change when analyte neutralizes titrant.
