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PilotLPTM [1.2K]
2 years ago
6

1. What is the pH of a solution with a [H3O+] concentration of 4.32 x 10-2 M?

Chemistry
1 answer:
mel-nik [20]2 years ago
5 0

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

<h3>What is pH ? </h3>

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⁺

<h3>1. How to determine the pH</h3>
  • [H₃O⁺] = 4.32×10⁻² M
  • pH = ?

pH = –Log H₃O⁺

pH = –Log 4.32×10⁻²

pH = 1.36

<h3>2. How to determine the pH</h3>
  • [H₃O⁺] = 3.4×10⁻¹¹ M
  • pH = ?

pH = –Log H₃O⁺

pH = –Log 3.4×10⁻¹¹

pH = 10.47

<h3>3. How to determine the concentration of [H₃O⁺]</h3>
  • pH = 13.2
  • [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:

brainly.com/question/3709867

#SPJ1

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It seems your question is incomplete, however, that same fragment has been found somewhere else in the web:

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