The inverse logarithm, or -log, of [H3O*l][OH*l] = 10*14 is pH + pOH = 14 1. What happens to the [H3O*'] when acid is added to neutral water ? the [H3O*']goes 2. What happens to the pH when acid is added to neutral water ? an example of an increased [H3O*l] is [H3O*l] = 1 x 10-6. Thus pH = -log[10-6] = 6 thus, adding acid makes the pH go 3. What happens to the [OH-'] when acid is added to neutral water ? in the equation [H3O*'][OHl] = 10-14, when [H3O*l] increases, the [OH'] goes 4. What happens to the pOH when acid is added to neutral water ? when [OH] decreases, the pOH goes since the pOH = -log[OH¨'] this can also be seen using pH + pOH = 14 5. What happens to the Kw when acid is added to neutral water ? because it's a constant. a. down b. up c. no change
The inverse logarithm, or -log, of [H3O*l][OH*l] = 10*14 is pH + pOH = 14 1. What happens to the [H3O*'] when acid is added to neutral water ? the [H3O*']goes 2. What happens to the pH when acid is added to neutral water ? an example of an increased [H3O*l] is [H3O*l] = 1 x 10-6. Thus pH = -log[10-6] = 6 thus, adding acid makes the pH go 3. What happens to the [OH-'] when acid is added to neutral water ? in the equation [H3O*'][OHl] = 10-14, when [H3O*l] increases, the [OH'] goes 4. What happens to the pOH when acid is added to neutral water ? when [OH] decreases, the pOH goes since the pOH = -log[OH¨'] this can also be seen using pH + pOH = 14 5. What happens to the Kw when acid is added to neutral water ? because it's a constant. a. down b. up c. no change
Chapter3: Ratio And Proportion
Section: Chapter Questions
Problem 1RP
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Question
The Keq for the reaction of water with water is called Kw
H2O + H2O ⇔ H3O+1 + OH-1
[H3O+1][OH-1]
Kw = ––––––––––––– = [H3O+1][OH-1] = (1 x 10-7)2 = 1 x 10-14
[H2O]2
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