What Volume of 0

question 71

Multiple Choice

What volume of 0.128 M HCl is needed to neutralize 2.87 grams of Mg(OH) ₂ as shown in the unbalanced reaction below?
Molar Mass Mg(OH) ₂ = 58.32 g/mol __ HCl + __ Mg(OH) ₂→__ MgCl₂ + __ H₂O (unbalanced reaction)

• A) 3.15×10 ^{- 3} L
• B) 1.26×10 ^{- 2} L
• C) 0.192 L
• D) 0.384 L
• E) 0.769 L

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Definitions:

Carbonic Acid

A weak acid formed when carbon dioxide dissolves in water, playing a vital role in regulating pH in the blood.

Respiratory Acidosis

A condition occurring when the lungs cannot remove all of the carbon dioxide the body produces, causing body fluids, especially the blood, to become too acidic.

Expiratory Neurons

Neurons involved in the control of the muscles responsible for expelling air from the lungs.

Ventral Respiratory Group

A cluster of neurons in the medulla oblongata that plays a critical role in controlling breathing.