State a example of amphiprotic species
重在参与
pH + pOH =?
pKw
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Same concentration
Acid X pH=1
Acid Y pH=3
Acid Z pH=5
Deduce the order of electrical conductivity of the acids.
X>Y>Z
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Define the term Bronsted-Lowry acid
Proton donor
益力多
Same concentration
Acid X pH=1
Acid Y pH=5
Acid Z pH=3
Deduce the order of [OH–] of the acids.
Y>Z>X
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Define the term Bronsted-Lowry base
Proton acceptor
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Same concentration
Acid HX pH=1
Acid HY pH=5
Acid HZ pH=3
Deduce the order of Ka of the acids.
HX>HZ>HY
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Same concentration
Acid HX pH=1
Acid HY pH=5
Acid HZ pH=3
Deduce the order of pKa of the acids.
HY>HZ>HX
谢谢惠顾
Ka × Kb =?
[H+] × [OH–] = Kw
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State two weak acids.
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pKa + pKb =?
pKw
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T↑ Kw( ) (increase or decrese)
increase
重在参与
Same concentration
Acid HX pH=1
Acid HY pH=5
Acid HZ pH=3
Deduce the order of pKb of the acids’ conjugate base.
X–>Z–>Y–
Presentation优先选择权(仅限HL)
10–pH × 10–pOH=?
Kw
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Same concentration
Acid HX pH=1
Acid HY pH=5
Acid HZ pH=3
Deduce the order of Kb of the acids’ conjugate base.
Y–>Z–>X–
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State the reaction product of acid and metal carbonate.
Salt CO2 H2O
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