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Chapter 3: Problem 8

The concentration of which element is used to define the salinity of water?

Short Answer

Expert verified
Answer: Sodium (Na) is used to define the salinity of water. Its concentration is significant because it represents the primary dissolved salt, Sodium chloride (NaCl), in natural waters. Measuring salinity is important for determining the quality of drinking water, water for agriculture, ocean science, and studying water ecosystems.

Step by step solution

01

Identification of the Element

To define the salinity of water, the concentration of the element that needs to be considered is Sodium (Na).
02

Importance of Salinity Measurement

The measurement of salinity in water is important for various purposes like determining the quality of drinking water, water for agriculture, ocean science, and the study of water ecosystems. Sodium chloride (NaCl), also known as common salt, is the primary dissolved salt in natural waters and, hence, its concentration is crucial in classifying the water's salinity level.

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