Can Strong Acids or Bases Have Negative pH Values in Practice?

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Strong acids and bases can indeed have negative pH values in practice, with examples like 10M HCl demonstrating a pH of -1. This phenomenon is not purely theoretical; superacids can achieve these negative pH levels. However, the range of pH values is generally considered to be between 0 and 14 for solutions that adhere to Ostwald's dilution principle. This principle indicates that while pH typically falls within this range, deviations can occur in very dilute or concentrated solutions, allowing for the existence of negative pH values under specific conditions.
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Is it really possible to have strong acid/bases with a negative pH in practice, or is it purely theoretical. Like we say 10M HCl has pH = -1, does it really?

Is there something that limits the range of possible pH values for a solution?
 
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Yes it is possible and does happen, just browse yahoo and look up "superacids", you can easily have a negative pH of -1. And there are NO limits for a pH value.

Wolfson.
 
There is a law called Ostwald's dilution principle, and it states that pH is within 0 and 14 for solutions obeying this law. The response for pH with respect to concentration is somewhat deviated in very dilute and concentrated solutions.
 

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