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Questions and Answers
What is the signal in precipitation gravimetry?
What is the signal in precipitation gravimetry?
- The loss of a volatile species
- The mass of a particulate analyte
- The separation from its matrix
- The mass of a precipitate (correct)
Which type of gravimetric analysis involves determining the mass of a particulate analyte following its separation from its matrix?
Which type of gravimetric analysis involves determining the mass of a particulate analyte following its separation from its matrix?
- Precipitation gravimetry
- Volatilization gravimetry
- Particulate gravimetry (correct)
- None of the above
In gravimetric analysis, what does the reaction aA + rR -----> AaRrppt represent?
In gravimetric analysis, what does the reaction aA + rR -----> AaRrppt represent?
- Formation of a precipitate (correct)
- Volatilization of a compound
- Separation of a particulate analyte
- None of the above
What does volatilization gravimetry measure?
What does volatilization gravimetry measure?
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What is the general method based on the measurement of the mass of an analyte or a compound containing the analyte?
What is the general method based on the measurement of the mass of an analyte or a compound containing the analyte?
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Study Notes
Gravimetric Analysis
- In precipitation gravimetry, the signal is the mass of the precipitate formed.
Types of Gravimetric Analysis
- Particulate gravimetry involves determining the mass of a particulate analyte following its separation from its matrix.
Chemical Reaction in Gravimetric Analysis
- The reaction aA + rR → AaRrpt represents a chemical reaction in gravimetric analysis, where a and r are stoichiometric coefficients, A is the analyte, and R is the reagent.
Volatilization Gravimetry
- Volatilization gravimetry measures the mass of the residue remaining after a substance is heated to remove a volatile component.
General Method of Gravimetry
- Gravimetry is a general method based on the measurement of the mass of an analyte or a compound containing the analyte.
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