1. The pH of the solution is 1.36
2. The pH of the solution is 10.47
3. the concentration of [H₃O⁺] in the solution is 6.3×10⁻¹⁴ M
What is pH ?
This is simply a measure of the acidity / alkalinity of a solution.
The pH measures the hydrogen ion (hydronium ion) concentration while the poH measures the hydroxide ion concentration. It is expressed mathematically as
pH = –Log H₃O⁺
1. How to determine the pH
- [H₃O⁺] = 4.32×10⁻² M
- pH = ?
pH = –Log H₃O⁺
pH = –Log 4.32×10⁻²
pH = 1.36
2. How to determine the pH
- [H₃O⁺] = 3.4×10⁻¹¹ M
- pH = ?
pH = –Log H₃O⁺
pH = –Log 3.4×10⁻¹¹
pH = 10.47
3. How to determine the concentration of [H₃O⁺]
pH = –Log H₃O⁺
13.2 = –Log H₃O⁺
Multiply through by -1
-13.2 = Log H₃O⁺
Take the anti-log of -13.2
H₃O⁺ = anti-log (-13.2)
H₃O⁺ = 6.3×10⁻¹⁴ M
Learn more about pH:
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