Chemistry Practice Problems Strong Acid-Base Calculations Practice Problems Solution: Calculate the pH of a 0.250 M solution of Ca(OH)2 ...

Solution: Calculate the pH of a 0.250 M solution of Ca(OH)2 at 25 °C.A. 5.678B. 0.552 C. 0.854 D. 13.699 E. 13.447

Problem

Calculate the pH of a 0.250 M solution of Ca(OH)2 at 25 °C.

A. 5.678

B. 0.552 

C. 0.854 

D. 13.699 

E. 13.447

Solution

We’re being asked to calculate the pH of a 0.250 M Ca(OH)2 

Let’s first determine what type of base is Ca(OH)2:

Any Group 2A metal when combined with OH-, H-, O2- or NH2- makes a strong base

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