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Question

Why is the sea water denser than fresh water?


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Solution

Explanation:

  1. Density is defined as the mass per unit volume.
  2. The density of water is 997kg/m³ at 25°C
  3. In seawater, the salts are dissolved in water resulting in an increase in their mass per unit volume.

Hence, seawater is denser than freshwater because of the dissolved salts in seawater, its density increases.


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