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What will be the concentration of hydroxide ions in a solution with a pH of 4?

Question

What will be the concentration of hydroxide ions in a solution with a pH of 4?

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Solution

Sure, to find the concentration of hydroxide ions in a solution with a pH of 4, we need to follow these steps:

  1. First, we need to find the pOH of the solution. The pH and pOH of a solution at 25 degrees Celsius are related by the equation: pH + pOH = 14. So, the pOH of the solution is 14 - 4 = 10.

  2. The pOH is the negative logarithm (base 10) of the hydroxide ion concentration. So, to find the hydroxide ion concentration, we need to take the antilog of the negative pOH. In other words, we need to find 10^-pOH.

  3. Therefore, the hydroxide ion concentration is 10^-10 M.

This problem has been solved

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