The correct option is D
because as we decrease the number on the pH scale the concentration of hydronium ions increases.
and if we increase the number on the pH scale the concentration of hydronium ions decreases.
what is ph scale
pH is a measure of how acidic/basic water is. The range goes from 0 to 14, with 7 being neutral. pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base
Why is the pH scale from 1 to 14?
in order to reach pH levels below 0 or above 14, one would require extraordinarily acidic or basic solutions, respectively
Learn more about the pH scale here https://brainly.com/question/13646073
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