Suppose a Buffer Solution Is Made from Formic and (HCHO₂)and $\to$

question 25

Multiple Choice

Suppose a buffer solution is made from formic and (HCHO₂) and sodium formate (NaCHO₂) .What is the net ionic equation for the reaction that occurs when a small amount of hydrochloric acid is added to the buffer?

• A)H₃O⁺(aq)+ OH^-(aq)\(\to\)2H₂O(l)
• B)H₃O⁺(aq)+ HCHO₂(aq)\(\to\) H₂O(l)+ H₂CHO₂⁺(aq)
• C)HCl(aq)+ OH^-(aq)\(\to\)H₂O(l)+ Cl^-(aq)
• D)HCl(aq)+ CHO₂^-(aq)\(\to\) HCHO₂(aq)+ Cl^-(aq)
• E)H₃O⁺(aq)+ CHO₂^-(aq)\(\to\) HCHO₂(aq)+ H₂O(l)

---

Definitions:

Market

An arrangement or venue where parties engage in exchange of goods and services.

Positive Externality

A benefit that is enjoyed by a third-party as a result of an economic transaction or activity in which they did not directly participate.

Marginal Social Benefit

The additional benefit to society from consuming one more unit of a good or service.

Marginal Private Cost

The cost incurred by a firm for producing one additional unit of a good, exclusive of any external costs.