Question

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ph measures concentration of...

select one:
a. hydrogen ions (h+)
b. oxygen
c. salt
d. electrons

Explanation:

Define pH

$$ \text{pH} = -\log_{10}[\text{H}^+] $$

Identify the measured species

The mathematical definition of pH directly measures the concentration of hydrogen ions \((\text{H}^+)\) in a solution.

Answer:

• a. Hydrogen ions (H+) (Correct answer)
• b. Oxygen
• c. Salt
• d. Electrons