The Percentage Composition by Mass of Water Is Approximately

question 145

Multiple Choice

The percentage composition by mass of water is approximately

• A) 2% H and 1% O.
• B) 11% H and 89% O.
• C) 1% H and 99% O.
• D) 2% H and 16% O.

---

Definitions:

Independent Variable

The variable in an experiment that is manipulated or changed to observe its effect on the dependent variable.

Silent Versus Conversation

Describes the comparison or contrast between situations where silence is maintained against those where conversation occurs.

Scientific Journal

A publication intended to further the progress of science, typically by reporting new research findings peer-reviewed by experts in the field.

Scholarly Articles

Scholarly articles are academic publications that present original research, findings, or theoretical discussions, typically peer-reviewed or refereed to ensure their quality and credibility.