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The pH scale measures ___.

A. The concentration of hydrogen ions
B. The strength of solutions from 1 to 12
C. The concentration of bases
D. The concentration of acids

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User Elzell
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4 votes

Answer:

a

Step-by-step explanation:

it is the concentration of the hydrogen ion, more hydrogen ion more acidic less hydrogen ion less acidic and alkaline.

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User Engnyl
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