What Is the Mass Percent of Sodium in Washing Soda

question 30

Multiple Choice

What is the mass percent of sodium in washing soda, Na₂CO₃?

• A)43.4%
• B)32.5%
• C)21.7%
• D)62.1%

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Definitions:

Cones

Specialized cells in the retina of the eye responsible for color vision.

Saturated Color

A color that is fully intense and vivid, without any addition of white, black, or gray, resulting in the purest form of the color.

Single Wavelength

A specific frequency of light or electromagnetic radiation, often used in scientific and technical contexts to describe a monochromatic beam.

Sensory Adaptation

The process by which sensory receptors change their sensitivity to a stimulus over time, often leading to a decrease in sensitivity to a constant stimulus.