What Is the Hydronium Ion Concentration in an Aqueous Solution

question 79

Multiple Choice

What is the hydronium ion concentration in an aqueous solution prepared by mixing 50.00 mL of 0.10 mol L^-1 HCN with 50.00 mL of 0.010 mol L^-1 NaCN? Assume that the volumes of the solutions are additive and that K_a =

• A)4.9 × 10^-11 mol L^-1
• B)4.9 × 10^-10 mol L^-1
• C)4.9 × 10^-9 mol L^-1
• D)7.0 × 10^-6 mol L^-1

---

Definitions:

Flexible Work

Employment arrangements that allow for variations in work schedule, location, and hours, catering to the needs and preferences of employees.

Telecommuting

The practice of working from a remote location, typically one's home, using the internet and telecommunications technology.

Job Performance

The evaluation of how effectively an employee carries out their assigned tasks and duties.

Perceptions of Autonomy

The degree to which individuals feel they have control or freedom over their work and decisions within an organization.