A solution at 25 ∘C has pOH = 10.53. Which of the following statements is or are true? The solution is acidic. The pH of the solution is 14.00 - 10.53. For this solution, [OH−] = 10−10.53 M.

The pH value more 7 means that hydrogen ion concentration is less ,alkaline will be the solution.
The pH value less 7 means that hydrogen ion concentration is more ,acidic will be the solution.
The pH value equal to 7 indicates that the solution is neutral.

The pOH of the solution is defined as negative logarithm of hydroxide ion concentration present in the solution .

[tex]pOH=-\log[OH^-][/tex]

The pOH of the solution = 10.53

[tex]10.53=-\log[OH^-][/tex]

[tex]10^{-10.53}=[OH^-][/tex]

The pH of the solution = ?

[tex]pH+pOH=14[/tex]

[tex]pH=14-pOH=14-10.53=3.47[/tex]

Here, the pH of the solution is less than 7 which means that solution acidic.

Abdulazeez10 Abdulazeez10 · Answer 2 · 2021-11-16T20:29:57+01:00

All the statements are true.

The statements that are true are:

and

From the question,

We are to determine which of the given statements is or are true.

From the given information

A solution at 25 ∘C has pOH = 10.53.

To determine which of the given statements is or are true,

we will determine if the solution is acidic, determine the pH of the solution and as well determine the [OH−] for the solution

First, we will determine the pH of the solution

From the formula

pH + pOH = 14

Then,

pH = 14 - pOH

∴ pH of the solution = 14 - 10.53

pH of the solution = 3.47

Since, the value of the pH is less than 7, then the solution is acidic.

Now, we will determine the value of [OH−] in the solution

From the formula

pOH = -log[OH−]

Then,

[OH−] = 10^(-pOH)

∴ [OH−] for the solution = 10^(-10.53) M

From above, we can observe that,

The solution is acidic.

The pH of the solution is 14.00 - 10.53.

and

[OH−] = 10^−10.53 M

Hence, all the statements are true.

The statements that are true are:

and

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