Quick!
a solution at 25 degrees celsius has a poh of 6.42. what is the ph of this solution?

0.842
3.80
5.59
7.58

Answer : The correct option is, 7.58

Explanation : Given,

pOH = 6.42

pH : It is defined as the negative logarithm of the hydrogen ion concentration.

As we know that,

Now put the value of pOH in this expression, we get the pH of this solution.

Therefore, the pH of this solution is, 7.58

може ли да зареждате повече информация, моля

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