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5.1.3 Acids, Bases and Buffers

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

#1
Front (Question)

what is an acid

Back (Answer)

proton donors

#2
Front (Question)

what is a base

Back (Answer)

proton acceptors

#3
Front (Question)

what is a conjugate base

Back (Answer)

the base formed after the acid loses its proton

#4
Front (Question)

what is a conjugate acid

Back (Answer)

the acid formed after a proton is gained

#5
Front (Question)

what is a strong acid

Back (Answer)

when the H+ ions completely dissociate

#6
Front (Question)

what is a weak acid

Back (Answer)

when the H+ ions slightly dissociate

#7
Front (Question)

what is amphoteric

Back (Answer)

when a substance can act as both an acid and a base

#8
Front (Question)

why is water an ampholyte

Back (Answer)

it can accept or donate a proton

#9
Front (Question)

give examples of a strong acid

Back (Answer)

HCl, H2SO4, HNO3

#10
Front (Question)

give examples of a weak acid

Back (Answer)

CH3COOH, H2CO3

#11
Front (Question)

give examples of a strong base

Back (Answer)

NaOH, KOH

#12
Front (Question)

give examples of a weak base

Back (Answer)

NH3

#13
Front (Question)

describe equilibrium in strong acids and bases

Back (Answer)

equilibrium lies to the right as most of the acid molecules have dissociated the solution is a strong electrical conductor

#14
Front (Question)

describe equilibrium in weak acids and bases

Back (Answer)

equilibrium lies to the left hand side as most of the acid molecules do not dissociate and the solution is a weak electrical conductor

#15
Front (Question)

pH=

Back (Answer)

-log[H+]

#16
Front (Question)

[H+]=

Back (Answer)

10^-pH

#17
Front (Question)

what is a strong monobasic acid

Back (Answer)

only one proton is donated per acid molecule e.g HCl

#18
Front (Question)

what is a strong dibasic acid

Back (Answer)

two protons are donated per acid molecule e.g H2SO4

#19
Front (Question)

what equation is associated with neutral

Back (Answer)

[H+]=[OH-]

#20
Front (Question)

what equation is used with water and what is the Kw constant

Back (Answer)

Kw=[H+][OH-] so Kw=[H+]^2 because [H+]=[OH-] Kw=1x10^-14 at 298k and 1atm

#21
Front (Question)

give the calculation for weak acid

Back (Answer)

[H+]=square root of Kax[HA] ka=H+^2/HA H+=A-

#22
Front (Question)

give the calculation for bases

Back (Answer)

[H+]=Kw/[OH-]

#23
Front (Question)

give the calculation for water

Back (Answer)

Kw=[H+]^2

#24
Front (Question)

give the calculation for buffers with a salt

Back (Answer)

[H+]=Ka x (HA/A-)