Classify the following substances as strong electrolytes,

Chapter 14, Problem 65P

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QUESTION:

Problem 65P

Classify the following substances as strong electrolytes, weak electrolytes, or nonelectrolytes:

(a)  Sodium permanganate (NaMnO4)

(b)  Acetic acid (CH3COOH)

(c)  Methanol (CH3OH)

(d)  (d) Calcium acetate [Ca(C2H3O2)2]

Questions & Answers

QUESTION:

Problem 65P

Classify the following substances as strong electrolytes, weak electrolytes, or nonelectrolytes:

(a)  Sodium permanganate (NaMnO4)

(b)  Acetic acid (CH3COOH)

(c)  Methanol (CH3OH)

(d)  (d) Calcium acetate [Ca(C2H3O2)2]

ANSWER:

Solution 65P:

Here, we are going to determine the substances as strong electrolytes, weak electrolytes, or nonelectrolytes based on their dissociation property.

Step 1:

A strong electrolyte : It is defined as a substance that completely, ionizes or dissociates in a solution. These ions are good conductors of electric current in the solution.

For example: NaCl is strong electrolyte which dissociates completely in solution.

A weak electrolyte : It is defined as a substance that partially ionizes or dissociates in a solution.

A Nonelectrolyte : It is defined as a substance that does not ionize or dissociate in solution.

For example sugar, fats.


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