A 40 × 10^-3 Mol L^-1 Aqueous Solution Of Of \mathrm

question 97

Multiple Choice

A 4.0 × 10^-3 mol L^-1 aqueous solution of $\mathrm { Ca } ( \mathrm { OH } ) _ { 2 }$ at 25.0 °C has a pH of ________.

• A)2.40
• B)11.60
• C)8.0 × 10^-3
• D)2.10
• E)11.90

---

Definitions:

First Ph.D.

The awarding of the first Doctor of Philosophy degree, which historically marked the highest level of academic achievement in a specific field of study.

Conscious Experience

The awareness of one's own thoughts, feelings, and perceptions, including the environment around them; the subjective experience of being alive and aware.

Scientific Study

The systematic investigation of the natural world through experimentation and observation, aimed at discovering and acquiring knowledge.

Wilhelm Wundt

A German physiologist and psychologist who is generally considered the father of experimental psychology.