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170 solutions

pH and pOH

Q. The pOH of pure water at 40 degrees celcius is 6.8. What is the hydronium concentration, [H3O+], in pure water at this temperature?

Solved • Dec 13, 2019

pH and pOH

Q. In an acidic solution, how does the concentration of H3O+ compare to the concentration of OH–? Group of answer choices a)H3O+ is less concentrated than OH–. b)There is not enough information to tell. c)H3O+ is more concentrated than OH–. d)They are equally concentrated.

Solved • Dec 10, 2019

pH and pOH

Q. What is the pH of a 0.0025 M solution of HCl? Group of answer choices a)1.01 b)2.60 c)-1.6 d)-2.60

Solved • Dec 10, 2019

pH and pOH

Q. What is the pH of a 0.002 M solution of NaOH? Group of answer choices a)10^11 b)11.3 c)10 ^-11 d)-11

Solved • Dec 10, 2019

pH and pOH

Q. What is the [H+] of a solution at pH 3.5? Group of answer choices a)3 x 10 -4 M b)8.84 x 10–3 M c)6.0 x 10–4 M d)0.00167 M

Solved • Dec 10, 2019

pH and pOH

Q. What is the pH of a solution whose pOH = 4.7? Group of answer choices a)9.7 b)9.3 c)7.0 d)11.7

Solved • Dec 10, 2019

pH and pOH

Q. Which of the following solutions is basic? a. [H3O+] = 1 × 10-2 M, b. pH 1, c. pH 7, d. [OH-] = 1 × 10-4 M

Solved • Nov 30, 2019