Problem: Part ACalculate the pH of a solution in which [H3O+]=9.5×10−9 M.Express your answer to two decimal places.Part BCalculate the pH of a solution in which [OH−]=7.1×10−3 M.Express your answer to two decimal places.

FREE Expert Solution

We’re being asked to calculate for the pH of water at 0°C.

Recall that Kw is temperature dependent, therefore the pH of water is not equal to 7 at 0°C.


The pH and pOH of a compound determine its acidity and basicity.

• pH

▪ pH stands for the negative logarithmic function of hydronium ion concentration
can be calculated using the following equation:


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Problem Details

Part A

Calculate the pH of a solution in which [H3O+]=9.5×10−9 M.

Express your answer to two decimal places.

Part B
Calculate the pH of a solution in which [OH]=7.1×10−3 M.

Express your answer to two decimal places.

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