Question
Download Solution PDFThe concentration of dissolved oxygen (DO) in cold water can go upto -
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
The concentration of dissolved oxygen (DO) in water refers to the amount of oxygen gas present in water and is typically measured in parts per million (ppm).
Factors affecting dissolved oxygen:
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Temperature: Colder water can hold more dissolved oxygen than warmer water.
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Pressure: Higher pressure increases the solubility of oxygen in water.
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Salinity: Freshwater can hold more dissolved oxygen than seawater.
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Biological Activity: Photosynthesis by aquatic plants and algae increases DO, while respiration and decomposition decrease DO.
In general, the concentration of DO is higher in cold water due to increased solubility of gases at lower temperatures.
Explanation:
The maximum concentration of dissolved oxygen in cold water (e.g., near freezing temperature) can reach up to 10 ppm under ideal conditions. This value is influenced by the factors mentioned above, primarily temperature.
Conclusion:
In cold water, the concentration of dissolved oxygen can go up to 10 ppm.
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