If We Know the Amount of Light That Is Absorbed

question 74

Multiple Choice

If we know the amount of light that is absorbed in a solution, we can calculate the concentration of the substance dissolved in water using a spectrophotometer. For a certain substance the concentration (in moles/liter) is given by the formula , where is the intensity of the incident light and is the intensity of light that emerges. What is the concentration of the substance if the intensity is 45% of ?

• A) 952 mol/L
• B) -3,667 mol/L
• C) 2,928 mol/L
• D) 2,192 mol/L
• E) 1,272 mol/L

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Definitions:

Maslow's Hierarchy

A theory in psychology proposed by Abraham Maslow that outlines a five-tier model of human needs, from basic physiological needs to self-actualization.

Self-actualization

The achievement of realizing one's capabilities and talents, seen as an innate drive or necessity in all individuals.

Maturation

The process of development or reaching a state of full growth or potential in biological, psychological, or emotional contexts.