Which of the Following Aqueous Mixtures Would Be a Buffer

question 27

Multiple Choice

Which of the following aqueous mixtures would be a buffer system?

• A) HCl, NaCl
• B) HNO₃, NaNO₃
• C) H₃PO₄, H₂PO₄¯
• D) H₂SO₄, CH₃COOH
• E) NH₃, NaOH

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Definitions:

Child Abuse

The physical, emotional, sexual, or neglectful mistreatment or harm of a child by a caregiver or other individual, leading to injury or emotional damage.

Sibling

A sibling is a person’s brother or sister, sharing at least one common parent.

Teacher

A professional who imparts knowledge or skills to students in educational settings.

Phenylketonuria (PKU)

A genetic disorder due to a deficiency in the enzyme needed to process the amino acid phenylalanine, requiring a strict diet to prevent intellectual disability.