Chemistry Practice Problems Strong Acid-Base Calculations Practice Problems Solution: What is the pH of a 0.187 M solution of NaOH?a. 13...

Solution: What is the pH of a 0.187 M solution of NaOH?a. 13.27b. 12.85c. 9.61d. 2.26e. 0.728

Problem

What is the pH of a 0.187 M solution of NaOH?

a. 13.27

b. 12.85

c. 9.61

d. 2.26

e. 0.728

Solution

We’re being asked to calculate the pH of a 0.187 M NaOH 

Let’s first determine what type of base is NaOH

Any Group 1A metal when combined with OH-, H-, O2- or NH2- makes a strong base

Na (Group 1A metal) is paired with OH-

NaOH → strong base

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