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I think pKa is a measurement that indicates the strength of an acid and is an inherent property (varies from compound to compound) while pH simply refers to the concentration of hydronium ions in a solution. When pH is less than pKa, the acid is protonated, meaning it's neutral. When pH is greater than pKa, the acid will lose a H+ and become negative.
Jolie Sukonik 2B wrote:What is the relationship between pH and pKa, and how does this factor into negative charges/neutral compounds?
pH and pKa are similar in as both values decrease, the acid is stronger. I'm not sure what you mean by your second question, but these are the formulas to calculate each:
pKa = -log(Ka)
pH = -log[H30+]
Hope this helps!
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