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There will be increase in solubility.

What means solubility in water?

  • Water solubility is a measure of the amount of chemical substance that can dissolve in water at a specific temperature.
  • The unit of solubility is generally in mg/L (milligrams per liter) or ppm (parts per million).
  • Sugar cubes added to a cup of tea or coffee are a common example of a solution.
  • The property which helps sugar molecules to dissolve is known as solubility.
  • Hence, the term solubility can be defined as a property of a substance (solute) to dissolve in a given solvent.

In case of CuS, S²⁻  will combine with [H⁺] ions to form a precipitate of H₂S .

Hence, there will be increase in solubility.

Learn more about solubility

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