What Is the PH of a 1

question 43

Multiple Choice

What is the pH of a 1.0 M solution of Na₃AsO₄?( Ka1 = 6 × 10^-3, Ka₂ = 1 × 10^-7, Ka₃ = 3 × 10^-12 )

• A) 2.5
• B) 7.0
• C) 8.2
• D) 11.5
• E) 5.8

---

Definitions:

Adopter

An individual or entity that starts using a new product, innovation, or technology.

Flexibility

The ability to adapt to new, different, or changing requirements and conditions.

RE-AIM

A framework for evaluating health interventions, considering Reach, Efficacy/Effectiveness, Adoption, Implementation, and Maintenance.

Efficacy

The ability to produce a desired or intended result under ideal and controlled circumstances.