If a solution has a hydronium ion molarity of .001, what is the ph of the solution?
a) 1
b) 3
c) 7
d) 15

The answer to your question is pH = 3

Explanation:

pH is a scale that measures the concentration of hydronium ion in a solution.

This scale goes from 0 to 14. A solution is acid if the pH goes from 0 to 6.9. A solution is neutral is the pH = 7 or the solution is alkaline if the pH goes from 7.1 to 14.

Formula

                     pH = - log [H₃O⁺]

Substitution

                     pH = -log [0.001]

                    pH = 3

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