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Strong bases and weak acids in salts do hydrolyze, raising the pH level over 7. The anion in salt comes from a weak anion.

What salts have pH values under 7?

  • Ammonium chloride (NH 4 Cl) is a salt whose solution has a pH of less than 7. Since potassium carbonate and sodium carbonate are all basic in nature, they all have pH values higher than 7.
  • It could be neutral salt, basic salt, or acidic salt. Strong acid and weak base combine to generate this kind of salt. They have a pH value that is below 7. No, not all salts have a pH of 7.0 in solution and are neutral. Since NH4Cl is an acidic salt with a strong acid and weak base, its pH will be lower than 7.
  • The pH of pure water, which has these ion concentrations in balance, is 7. Since a pH value of 7 denotes a neutral solution, it is significant. This neutral point serves as the benchmark for all other chemicals.

To learn more about pH values refer to

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