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Questions and Answers
Which method yields more accurate data about the composition of a sample?
Which method yields more accurate data about the composition of a sample?
- Volumetric analysis
- Gravimetric analysis (correct)
- Precipitation analysis
- Complex forming reaction analysis
What is the primary focus of quantitative analysis in analytical chemistry?
What is the primary focus of quantitative analysis in analytical chemistry?
- Determining the origin of substances in a sample
- Determining the color of substances in a sample
- Determining the physical state of substances in a sample
- Determining the abundance of substances in a sample (correct)
Which type of titration can volumetric analysis be based on?
Which type of titration can volumetric analysis be based on?
- Precipitation reaction
- Neutralization reaction (correct)
- Reduction reaction
- Oxidation reaction
What property can the study of the absolute or relative abundance of substances in a sample help in determining?
What property can the study of the absolute or relative abundance of substances in a sample help in determining?
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What is a drawback of gravimetric analysis compared to volumetric analysis?
What is a drawback of gravimetric analysis compared to volumetric analysis?
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Study Notes
Comparative Analysis of Techniques
- Chromatography and spectroscopy yield more accurate data about the composition of a sample compared to other methods.
Quantitative Analysis
- The primary focus of quantitative analysis in analytical chemistry is to determine the absolute or relative abundance of substances in a sample.
Volumetric Analysis
- Volumetric analysis can be based on acid-base, precipitation, or complexation titration.
Study of Substances
- The study of the absolute or relative abundance of substances in a sample can help in determining the purity of the substance.
Drawbacks of Gravimetric Analysis
- A drawback of gravimetric analysis compared to volumetric analysis is that it requires a large amount of sample.
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