Oxalic Acid (H₂C₂O₄), a Diprotic Acid That Is Used in Many

question 67

Multiple Choice

Oxalic acid (H₂C₂O₄) , a diprotic acid that is used in many cleaning and bleaching applications, can be toxic in high amounts when ingested.In 100 grams of parsley, there are about 0.02 moles of oxalic acid.Which of the following would completely neutralize this quantity of oxalic acid?

• A)1 L of 0.02 M NaOH
• B)0.4 L of 0.1 M KOH
• C)0.5 L of 0.02 M Ba(OH)₂
• D)0.25 L of 0.08 M KOH
• E)0.1 L of 0.04 M Ca(OH)₂

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Definitions:

Great Vessels

The major arteries and veins connected directly to the heart, responsible for transporting blood to and from the body's organs.

Peripheral Chemoreceptors

Sensory receptors located in the carotid and aortic bodies that detect changes in the chemical composition of blood, including oxygen and carbon dioxide levels.

Oxygen Levels

The concentration of oxygen in a particular environment, often measured in terms of partial pressure or saturation.

Blood Pressure

Blood pressure is the force exerted by circulating blood on the walls of the body's arteries, important for maintaining blood flow through the body.