The pH of 0.1M HCl is 1, but the pH of 0.0001M HCl is 4 which is like the pH of a weak acid. So can we tell that 0.0001M HCl is a weak acid with respect to pH? Also the pH of 10M HCl is -1. What is the significance of negative pH?

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The pH of 0.1M HCl is 1, but the pH of 0.0001M HCl is 4 which is like the pH of a weak acid. So can we tell that 0.0001M HCl is a weak acid with respect to pH? Is there any relationship between the pH of an acid and its strength?

Also the pH of 10M HCl is -1. What is the significance of negative pH?

Posted Mon 18th March, 2019 @ 18:34 by kamruzzaman