Acids and Bases Chemistry
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12 Terms
bronsted lowry acid definition
proton donor
lewis acid definition
e- pair accpetor
how to find pKa using pH volume curve
pH=pKa at half volume added when pH of solution is neutral
weak acid definition
ions partially dissociate in aqueous solution
why is pH probe washed between dilutions
solutions must not contaminate
why add solutions slowly near end point
to not overshoot end point as pH change is very large per cm³
when is an indicator suitable (curve)
all have colour change within steep part of titration curve (equivalence point)
methyl orange range
3.1-4.4
phenolphthalein range
8.3-10.0
litmus range
5-8
making acidic buffer
mix WA + salt, or excess WA and salt base
making basic buffer
mix WB + salt, or excess WB and acid salt
Note 
Flashcards (61)