The oven cleaner Easy Off™ is a concentrated solution of sodium hydroxide. With reference to Easy Off™, the term solute refers to Select one: A. the water component of the cleaner B. the sodium hydroxide component of the cleaner C. the use of sodium to dissolve grease stains D. a saturated solution of sodium hydroxide

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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The oven cleaner Easy Off™ is a concentrated solution of sodium hydroxide. With reference to Easy Off™, the term solute refers to
Select one:
A.

the water component of the cleaner

B.

the sodium hydroxide component of the cleaner

C.

the use of sodium to dissolve grease stains

D.

a saturated solution of sodium hydroxide

 

Use the following information to answer the next question.
 
 
 A chemistry student pours 1 L of water into a flask and adds a quantity of solid potassium chloride, stirring the solution.  She stoppers the solution and leaves it overnight.  In the morning, she notices undissolved solid at the bottom of the flask.

 
The correct statement about this saturated solution is
Select one:
A.

the rates of dissolving and crystallizing are equal

B.

the solution will become less concentrated as solid continues to settle

C.

the solution will become more concentrated as time passes

D.

the solution shows evidence of physical change

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