When Preparing Sodium Hydroxide Solution,it Is Best to Use Water

question 83

Multiple Choice

When preparing sodium hydroxide solution,it is best to use water that does not contain any dissolved carbon dioxide as it reacts with the sodium hydroxide.Removing the carbon dioxide can be accomplished by:

• A)vigorously stirring the solution.
• B)using water fresh out of the purification system.
• C)boiling the water.
• D)Nothing can be done to remove dissolved gases.
• E)none of the above

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Definitions:

Expression

A combination of variables, numbers, and operations without an equal sign.

A

Often used to denote a variable in equations or to represent a constant value in various mathematical contexts.

Positive Exponents

Refers to exponents that are greater than zero, indicating the number of times a base is multiplied by itself.

Rules Of Exponents

Guidelines that describe how to handle powers when multiplying, dividing, or raising them to other powers.