Chemistry Practice Problems pH and pOH Practice Problems Solution: Calculate the pH of a solution at 25°C in which th...

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Solution: Calculate the pH of a solution at 25°C in which the [OH−] = 5.4 x10  −7 M.A) 4.51B) 7.05C) 7.73D) 6.38E) 8.40

Problem

Calculate the pH of a solution at 25°C in which the [OH] = 5.4 x10  −7 M.

A) 4.51

B) 7.05

C) 7.73

D) 6.38

E) 8.40

Solution

We’re being asked to calculate for the pH of a solution in which the [OH­-] = 5.4x10-7 M.


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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