Calculate the Hydronium Ion Concentration in an Aqueous Solution with a PH

question 130

Multiple Choice

Calculate the hydronium ion concentration in an aqueous solution with a pH of 9.85 at 25°C.

• A) 7.1 × 10^-5 M
• B) 4.2 × 10^-10 M
• C) 8.7 × 10^-10 M
• D) 6.5 × 10^-5 M
• E) 1.4 × 10^-10 M

---

Definitions:

Self-esteem

The degree to which individuals feel valuable and confident about themselves.

Middle Childhood

Middle childhood is a stage of human development that typically covers the age range of 6 to 12 years, characterized by significant growth in social, cognitive, and emotional domains.

Active Participation

Engagement or involvement in activities or situations where individuals take an active role rather than being passive observers, enhancing learning and development.

Church

A building used for public Christian worship, often representing a community of believers.