# pH Determination of Solutions

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I need some help determining pH of these questions:

8. What is the pH of an 8.61 x 10^-4 M solution of the weak acid, HOCl?

a. 10.52

b. 5.26

c. 4.80

d. 7.46

e. 3.06

9. What is the pH of an 8.45 x 10^-4 M of HBr solution?

a. 3.07

b. 7.08

c. 1.54

d. 10.93

e. 6.92

10. What is the pH of an 1.25 x 10^-3 M solution of the weakly basic salt, NaOCl?

a. 9.27

b. 6.54

c. 9.44

d. 7.46

e. 10.36

11. What is the value of Ksp for Ca(IO3)2 if the equilibrium constant of Ca2+ = 5.62 x 10^-3?

a. 1.26 x 10^-4

b. 1.78 x 10^-7

c. 5.62 x 10^-3

d. 2.25 x 10^-2

e. 7.10 x 10^-7

https://brainmass.com/chemistry/physical-chemistry/ph-determination-of-solutions-112935

#### Solution Summary

This solution contains step-by-step calculations to determine the pH of the different solutions containing either weak acid, basic salt or a compound.

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