SOLUTION: The pH of a substance equals �log[H+] where [H+] is the concentration of hydrogen ions. [H+] for tomato juice is 10^-4. What is the pH of tomato juice?

Question 415314: The pH of a substance equals �log[H+] where [H+] is the concentration of hydrogen ions. [H+] for tomato juice is 10^-4. What is the pH of tomato juice?

Answer by jsmallt9(3758) (Show Source): You can put this solution on YOUR website!
Inserting into the pH formula we get:

Now we can use a property of logarithms, , to move the exponent of the argument out in front:

Since log(10) = 1 by definition this becomes:
-(-4)(1)
which simplifies to:
4
The pH of the tomato juice is 4.
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