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Level 119

pH Calculation


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pH = -log[H?]
formula for calculating pH when given H+
[H?] = 10^-pH
formula for calculating H+ when given pH
pOH = -log[OH?]
formula for calculating pOH when given OH-
[OH?] = 10^-pOH
formula for calculating OH- when given pOH
pH + pOH = 14
formula pH when given pOH or formula for pOH when given pH
[H?] × [OH?] = 10?¹4
formula for H+ when given OH- or formula for OH- when given H+
pH=H
-log[H]
pOH=OH
-log[OH]
H=pH
10^-pH
OH=pH
10^-pH
pH=pOH
14-pOH
H+=OH
1*10^-14÷OH-
OH-=H
1*10^-14÷H+
pOH=pH
14-pH
Properties of acids
Sour, reacts w/ metals to produce h2, turn blue litmus red, low pH (1-6)
Properties of base
Bitter, slippery, turns red litmus blue, high pH (8-14)
Strong acid
An acid that donates its H+ ions to water in a reaction that goes completely to products
Strong Base
_______ dissociate completely into metal ions and hydroxide ion in aqueous solutions.
Weak Acid
_______ ionize only slightly in aqueous solutions.
Weak Base
_______ react with water to form the hydroxide ion and the conjugate acid of the base.
Pattern for neutralization
Molecular, ionic, and net ionic
Acidic~0-6
pH scale
indicator
A compound that changes color in the presence of an acid or a base.
titration
A laboratory procedure in which a substance in a solution of known concentration is reacted with another substance in a solution of unknown concentration in order to determine the unknown concentration.
MaVb=MbVb
Titration problem
Volume
A measure of space (lwh)
Formula for pH
And indicator is phenolphaleinpH= -log[H3O?]
pOH=-log[OH?]
Formula for pOH
H3O? times OH?
[H3O?][OH?]= 1 * 10?¹4
[H3O?]= 10^-pH
Formula for H3O?
[OH?] = 10^-pOH
Formula for OH?
pH+pOH= 14
pH and pOH formula