Question 20
Acids, Bases and SaltsThe mathematical expression of pH is
- A.log10[OH−]
- B.log10 1/[H3O+]
- C.log10[H3O+]
- D.log10 1/[OH−]
Show the answer and explanation
Answer: B (log10 1/[H3O+])
Explanation
pH = −log10[H3O+], which is the same as log10(1/[H3O+]).