Given That: CaCl₂ (Aq) + NaHCO₃ (Aq) → CaCO₃ (S)

question 10

Multiple Choice

Given that: CaCl₂ (aq) + NaHCO₃ (aq) → CaCO₃ (s) + NaCl (aq) + HCl (aq) , which of the following species is classified as a spectator ion?

• A) Na¹⁺ (aq)
• B) CO₃^{2 −} (aq)
• C) CaCO₃ (s)
• D) Ca²⁺ (aq)

---

Definitions:

Best Interest

The highest standard of care or action, making decisions that are most beneficial to an individual or group, often used in legal, medical, and financial contexts to ensure ethical responsibility.

Organizational Hierarchy

The arrangement of individuals within an organization in levels of responsibility or authority, often visualized as a pyramid structure.

Ethical Issues

Moral challenges that arise in the professional or personal environment, requiring consideration of right and wrong conduct.

Ambiguous Ethical Issues

Ethical dilemmas that lack clear resolution due to conflicting principles, values, or circumstances, making the “right” course of action uncertain.