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Questions and Answers
What is the main signal used in precipitation gravimetry?
What is the main signal used in precipitation gravimetry?
- The mass of a particulate analyte
- The mass of the analyte
- The loss of a volatile species
- 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
What is the reaction format for a pure, insoluble precipitate in gravimetric analysis?
What is the reaction format for a pure, insoluble precipitate in gravimetric analysis?
- Aa + rR -----> AaRr
- Aa + rR -----> AaRrpptppt
- Aa + rR -----> AaRrppt (correct)
- Aa + rR -----> A + R
Which method of gravimetric analysis involves the loss of a volatile species as the signal?
Which method of gravimetric analysis involves the loss of a volatile species as the signal?
What type of analysis is based on the measurement of the mass of an analyte or a compound containing the analyte?
What type of analysis is based on the measurement of the mass of an analyte or a compound containing the analyte?
Which type of analysis involves the determination of mass through the measurement of a precipitate?
Which type of analysis involves the determination of mass through the measurement of a precipitate?
Which step of precipitation involves the addition of a precipitating agent solution to the sample solution?
Which step of precipitation involves the addition of a precipitating agent solution to the sample solution?
What is an important condition for a precipitate before conducting precipitation?
What is an important condition for a precipitate before conducting precipitation?
Which type of reagent precipitates only with a single chemical species?
Which type of reagent precipitates only with a single chemical species?
What is the term used for the process where a small number of particles in a solution come together randomly and form small aggregates?
What is the term used for the process where a small number of particles in a solution come together randomly and form small aggregates?
Under what circumstances can a pre...?
Under what circumstances can a pre...?
What occurs when precipitation require by adding precipitating agent occurs in series (step by step)?
What occurs when precipitation require by adding precipitating agent occurs in series (step by step)?
Which phase contains more of the dissolved salt than occurs at equilibrium?
Which phase contains more of the dissolved salt than occurs at equilibrium?
What is described as a saturated solution?
What is described as a saturated solution?
