pH at equillibrium

pH

100

If a small amount of weak acid is added to a solution, will the pH go up or down?

Down

200

If the pOH of a solution is 9.6, what is the pH?

4.4

300

If the pH of a solution is 6.8, what is the [H+] concentration?

1.58 x 10^-7

400

What is the pH of a solution if the [H+] is 2 x 10^^-2

1.70

500

What is the pH of a solution if the [OH-] is 5.6 x 10^-5

9.75

Random

100

When Q<K_c, does the reaction push towards the products or the reactants?

Pushes towards the products to achieve equillibrium.

200

What does ICE stand for?

Initial

Change

Equilibrium

300

[H+][OH-]=?

1.0 x 10^-14

400

Calculate pH using Henderson Hasselbalch equation

A solution that is 0.255 M in CH₃NH2 and 0.135 M in CH₃NH₃Br

10.92

500

Calculate pH using ICE chart

A solution that is 0.195 M in HC₂H₃O₂ and 0.125 M in KC₂H₃O₂

4.55

Formulas

100

pH formula

pH=-log[H+]

200

Ka formula

Ka= [products]/[reactants]

300

pH+pOH=?

14

400

Henderson hasselbalch formula

pH = pKₐ + log([base]/[acid])

500

What is the opposite of log?

10^x