Podcast
Questions and Answers
What is the unit of concentration that is dependent on the chemical reaction under investigation?
What is the unit of concentration that is dependent on the chemical reaction under investigation?
- Equivalent mass
- Normality (correct)
- Molality
- Molarity
What is the formula to calculate normality?
What is the formula to calculate normality?
- N = Molality × Equivalent mass
- N = Molarity × Molar mass
- N = Molarity × Molar mass × [Equivalent mass]-1 (correct)
- N = Molarity × Equivalent mass
What is the significance of the equivalency factor in normality?
What is the significance of the equivalency factor in normality?
- It is used to indicate the chemical reaction under investigation
- It is used to calculate molality
- It is used to indicate concentration (correct)
- It is used to calculate molarity
What is the unit of normality?
What is the unit of normality?
When is normality a superior choice of concentration measurement?
When is normality a superior choice of concentration measurement?
What is the limitation of normality?
What is the limitation of normality?
What is an alternative to normality in most circumstances?
What is an alternative to normality in most circumstances?
What is the relationship between normality and gram equivalent weight?
What is the relationship between normality and gram equivalent weight?
Study Notes
Normality
- A gram equivalent weight of solute per liter of solution is the normality unit of concentration for a chemical solution.
- Normality is the only measure of chemical concentration that is dependent on the chemical reaction under investigation.
- N, eq/L, and meq/L are standard units of normality.
- Normality is not always the most frequent measure of concentration, and its application to all chemical solutions is not acceptable.
- Molarity or molality are superior possibilities for units in most other circumstances.
Formula and Calculation
- N = Molarity × Molar mass × [Equivalent mass]-1
- To indicate concentration, a specific equivalency factor must be employed.
Applications of Normality
- Normality might be useful in acid-base chemistry.
- Normality might be useful in redox processes.
- Normality might be useful in precipitation reactions.
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Description
Learn about normality, its units, and its significance in measuring chemical concentration. Understand the concept of gram equivalent weight and its relation to normality.
