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QUESTION
What is the pH of salt and vinegar?
Common salt are ##pH## neutral. Vinegar solutions have ##pH## ##~=## ##3-4##.
##NaCl##, as the salt of a strong acid and a strong base is ##pH## neutral in aqueous solution. The ##pH## of a given concentration of vinegar (aqueous acetic acid) may be calculated given ##K_a## for acetic acid.
