What Is the Hydronium Ion Concentration in a Solution Prepared

question 135

Multiple Choice

What is the hydronium ion concentration in a solution prepared by mixing 50.00 mL of 0.10 mol L^-1 HCN with 50.00 mL of NaCN? Assume that the volumes of the solutions are additive and that K_a =

• A) 1.5 × 10^-10 mol L^-1
• B) 4.9 × 10^-10 mol L^-1
• C) 1.6 × 10^-9 mol L^-1
• D) 7.0 × 10^-6 mol L^-1

---

Definitions:

Category

A classification or grouping based on shared characteristics or attributes.

Indian Allotment Act

Refers to several U.S. laws that allowed for the division of tribal lands into individually owned parcels, significantly impacting Indigenous sovereignty and land ownership.

Intentions

Plans or objectives that one intends to accomplish or achieve, reflecting a person's motivation and purpose.

Consequences

The outcomes or results that follow directly from actions or decisions.