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Ch.5 - Introduction to Solutions and Aqueous Solutions
Tro - Chemistry: A Molecular Approach 5th Edition
Tro5th EditionChemistry: A Molecular ApproachISBN: 9780134874371당신이 사용하는 게 아니라요?교과서 변경
모든 교과서Tro 5th EditionCh.5 - Introduction to Solutions and Aqueous Solutions문제 39
5장, 문제 39

For each compound (all water soluble), would you expect the resulting aqueous solution to conduct electrical current? a. CsCl b. CH3OH c. Ca(NO2)2 d. C6H12O6

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1
Identify if each compound is an electrolyte or a non-electrolyte. Electrolytes dissociate into ions in water, conducting electricity, while non-electrolytes do not.
For CsCl, recognize it as an ionic compound. Ionic compounds typically dissociate into ions in water, making them strong electrolytes.
For CH_3OH (methanol), identify it as a molecular compound. Methanol does not dissociate into ions in water, classifying it as a non-electrolyte.
For Ca(NO_2)_2, note that it is an ionic compound. Like CsCl, it dissociates into ions in water, making it a strong electrolyte.
For C_6H_12O_6 (glucose), recognize it as a molecular compound. Glucose does not dissociate into ions in water, so it is a non-electrolyte.

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주요 개념

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Electrolytes

Electrolytes are substances that dissociate into ions when dissolved in water, allowing the solution to conduct electricity. Strong electrolytes, like salts, fully dissociate into ions, while weak electrolytes only partially dissociate. Understanding the nature of the compound is crucial for predicting its ability to conduct electrical current in solution.
추천 영상:
가이드 코스
02:50
Electrolytes and Strong Acids

Ionic vs. Molecular Compounds

Ionic compounds, such as CsCl and Ca(NO<sub>2</sub>)<sub>2</sub>, typically dissociate into ions in solution, making them good conductors of electricity. In contrast, molecular compounds like CH<sub>3</sub>OH (methanol) and C<sub>6</sub>H<sub>12</sub>O<sub>6</sub> (glucose) do not dissociate into ions and therefore do not conduct electricity well. Recognizing the type of compound is essential for determining conductivity.
추천 영상:
가이드 코스
02:11
Ionic Compounds Naming

Conductivity of Aqueous Solutions

The conductivity of an aqueous solution depends on the presence of free-moving charged particles, primarily ions. Solutions with a higher concentration of ions will conduct electricity better. Evaluating the solubility and dissociation of each compound in water helps predict the conductivity of their solutions.
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가이드 코스
01:11
Types of Aqueous Solutions
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