The Phosphoric Acid Salt of Caffeine Has the Structure

question 22

Multiple Choice

The phosphoric acid salt of caffeine has the structure This molecule behaves as an acid in that it can donate a hydrogen ion, created from the hydrogen atom bonded to the positively charged nitrogen atom. What salt is formed when 1 mole of this salt reacts with 1 mole of sodium hydroxide, NaOH, a strong base?

• A)Salts can't react to form salts, rather they only arise from the reaction of an acid and a base.
• B)H₃O⁺H₂PO₄^-
• C)Na²⁺HPO₄^2-
• D)Na⁺H₂PO_4-

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Definitions:

Electrocautery

A surgical technique that uses electric current to heat tissue in order to control bleeding or cut through tissue.

Control Bleeding

Medical techniques and procedures aimed at stopping or reducing the flow of blood from a wound or surgical site to prevent excessive blood loss.

Electrocoagulation

A medical procedure using electrical current to remove tissue, control bleeding, or achieve hemostasis by causing blood or tissue protein to coagulate.

Control Bleeding

The practice of using techniques or medical interventions to stop or reduce the flow of blood from a wound or incision.