Chemistry · Ionic Equilibrium
A student prepares a 0.005 M solution of a weak monobasic acid. The measured pH of the solution is found to be 5 at 298 K. What is the molar concentration of hydrogen ions [H+] in this solution?
- 11 × 10-7 M
- 21 × 10-6 M
- 31 × 10-5 M✓
- 41 × 10-4 M
Correct answer
1 × 10-5 M
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