What Is the Selenide Ion Concentration [Se^2-] for a 0

question 14

Multiple Choice

What is the selenide ion concentration [Se^2-] for a 0.100 M H₂Se solution that has the stepwise dissociation constants of K_a1 = 1.3 × 10^-4 and K_a2 = 1.0 × 10^-11?

• A)3.6 × 10^-3 M
• B)1.3 × 10^-4 M
• C)1.3 × 10^-5 M
• D)1.0 × 10^-11 M

---

Definitions:

Social Games

Interactive games designed to be played on social networking platforms, promoting communal engagement and interaction.

Prolonged Period

An extended duration of time, often longer than expected or usual.

Symbolic Benefits

The intangible advantages that consumers perceive from purchasing and using a product, which relate to their needs for self-expression and social recognition.

Self-Expressive

Refers to the ability or qualities of something, typically products or digital platforms, that allow individuals to express their identity and personal values.