Question

Why does the quantity of various substances dissolving in water vary? Give an example.


Please answer
Class 5
Easy answer please!!!​

Answer 1

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The dissolution process requires energy as well as energy is released during the process. Depending upon the energy and the strength of the inter-molecular bonds, and other external factors like polarity, temperature, pressure etc, the solubility of different substances varies

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Answer 2

Answer:

The quantity of various substances dissolving in water varies depending upon their solubility which is the ability of a substance to dissolve in a solvent like water.

For Example:

                      The solubility of different substances at constant temperature per 100 g of water: Sodium chloride 36; sodium hydrogen carbonate 10; Lead(II) nitrate 54.