Calculate the PH of a Solution That Contains 7

question 80

Multiple Choice

Calculate the pH of a solution that contains 7.8 × 10^-6 mol L^-1 OH^- at 25 °C.

• A)1.28
• B)5.11
• C)12.72
• D)8.89
• E)9.64

---

Definitions:

Sleeping Person

An individual who is in the state of rest where the body is inactive, and the mind is unconscious, typically engaged in for several hours each night to restore energy and health.

Lion

A large, muscular cat known as the "king of beasts" for its strength and majestic appearance, featured widely in art and symbolism.

Commercial Buildings

Structures designed and constructed for business purposes, such as offices, retail stores, and warehouses.

Round Arches

Architectural elements that have a curved, semicircular shape, providing structural support over openings and were widely used in Roman and medieval architecture.