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balu736 [363]
3 years ago
7

Which statement is true for a solution when its concentration of hydronium ions increases?

Chemistry
2 answers:
Zielflug [23.3K]3 years ago
7 0

Answer:

Its pH value decreases.

Explanation:

<em>∵ pH = - log[H₃O⁺]</em>

<em></em>

  • As, concentration of hydronium ions increases, pH value decreases and the solution be more acidic.

  • So, the right choice is: <em>Its pH value decreases.</em>

Alexxx [7]3 years ago
5 0

Answer: Its pH value decreases.

Explanation: pH is the measure of acidity or alkalinity of a solution.

pH is calculated by taking negative logarithm of hydronium ion concentration. Acids have pH ranging from 1 to 6.9 and bases have pH ranging from 7.1 to 14.

pH=-\log [H_3O^+]

pH=log\frac {1}{H_3O^+}

Thus as pH and H_3O^+ are inversely related, a solution having lower pH will have more amount of H_3O^+ concentration. And a solution having more pH will have less amount of H_3O^+ concentration.

Thus when concentration of hydronium ions increases, the pH of the solution decreases and the solution becomes more acidic.

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