A Standard Solution of 0

question 95

Multiple Choice

A standard solution of 0.243 M NaOH was used to determine the concentration of a hydrochloric acid solution. If 46.33 mL of NaOH is needed to neutralize 10.00 mL of the acid, what is the molar concentration of the acid in the original solution?

• A) 0.243 M
• B) 0.200 M
• C) 1.13 M
• D) 0.563 M
• E) 0.0313 M

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Definitions:

Moderate Intensity

An activity level that elevates the heart rate and induces sweating, such as brisk walking or light cycling, but allows one to carry on a conversation.

Cardiorespiratory System

The combined function of the heart, blood, and lungs, working together to supply oxygen to and remove carbon dioxide from the body's tissues.

Improved Cardiorespiratory Fitness

An enhancement in the efficiency of the cardiovascular and respiratory systems, improving the ability to perform prolonged physical activity.

Cardiorespiratory Fitness

The level of capacity and efficiency of the heart, lungs, and circulatory system in supplying oxygen during sustained physical activity.