Chemistry Practice Problems pH and pOH Practice Problems Solution: What is the [OH -] for a solution at 25°C that has...

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Solution: What is the [OH -] for a solution at 25°C that has [H 3O+] = 2.35 x 10 -3 M? A) 4.26 x 10-5 M               B) 2.35 x 10-11 M                  C) 4.26 x 10-12 M D) 2.35 x 10-17 M              E) None of these choices is correct.

Problem

What is the [OH -] for a solution at 25°C that has [H 3O+] = 2.35 x 10 -3 M?

A) 4.26 x 10-5 M

B) 2.35 x 10-11 M

C) 4.26 x 10-12 M

D) 2.35 x 10-17 M

E) None of these choices is correct.

pH and pOH

pH and pOH

Q. Calculate the [H3O+] of a solution that has a pOH = 4.1.A. 1.3 x 10-10 MB. 9.9 MC. 7.9 x 109 MD. 2.4 x 10-15 ME. 4.1 x 10-11 M

Solved • Fri Apr 28 2017 13:19:30 GMT-0400 (EDT)

pH and pOH

Q. At body temperature of 37.0°C, K w = 2.5 x 10-14. Calculate the [H3O+] if the [OH -] = 3.9 x 10-3 M.A. 2.5 x 10-12 MB. 6.4 x 10-12 MC. 3.9 x 10-3 MD. ...

Solved • Fri Apr 28 2017 12:52:42 GMT-0400 (EDT)

pH and pOH

Q. What is the [H3O+] for a solution at 25°C that has pOH = 5.640? A) 2.34 x 10-4 M B) 2.29 x 10-6 M C) 4.37 x 10-9 M D) 4.27 x 10-11 M E) 8.360 M

Solved • Thu Mar 23 2017 10:12:45 GMT-0400 (EDT)

pH and pOH

Q. pOH = 3.14 is equivalent to:       A) [OH −] = 3.14 × 10 −7 M B) pH = 11. C) [H +] = 1.4 × 10 −10 M D) [OH −] = 7.2 × 10 −4 M E) [H +] = 7.0 × 10...

Solved • Wed Mar 22 2017 14:39:14 GMT-0400 (EDT)