A Compound Contains 38

question 104

Multiple Choice

A compound contains 38.7% K, 13.9% N, and 47.4% O by mass. What is the empirical formula of the compound?

• A) KNO₂
• B) K₄NO₅
• C) KNO₃
• D) K₂NO₃
• E) K₂N₂O₃

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Definitions:

Commensalism

A relationship between two organisms where one benefits and the other is neither harmed nor benefited.

Predation

The interaction between two species where one organism, the predator, feeds on another organism, the prey, as a source of energy and nutrients.

Finch Species

A group within the bird family, known for their diversity in beak shapes and sizes, which has been extensively studied in evolutionary biology.