Problem: What is the pH of a 0.20 M HCl solution?a. 0.70b. < 0c. 12.39d. 13.30e. 1.61

FREE Expert Solution

The pH can be calculated using the following equation:


pH=-log [H+]


HCl → strong acid

  • dissociates completely into ions: HCl → H+ + Cl-
  • [HCl] = [H+]


pH of strong acid


pH=-log [M strong acid]

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Problem Details

What is the pH of a 0.20 M HCl solution?

a. 0.70

b. < 0

c. 12.39

d. 13.30

e. 1.61

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What scientific concept do you need to know in order to solve this problem?

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