acid dissociation constant

equilibrium constant as a measure of acid strength in solution
rdfs:label
"acid dissociation constant"@en
skos:altLabel
"Ka"@en
"Kₐ"@en
"acidity constant"@en
"pKa"@en
schema:description
"equilibrium constant as a measure of acid strength in solution"@en
schema:dateModified "2026-11-02T01:12:09+00:00"^^xsd:dateTime
schema:version 2563669729
wikibase:identifiers 5
wikibase:sitelinks 48
wikibase:statements 20
p:P10283 wd:statement/Q325519-EEBD72C1-E8B4-4932-BBDB-8AB5B33E2AC4
p:P1687 wd:statement/Q325519-117a0838-4dcd-e414-b55b-0dd97b237ed9
p:P180 wd:statement/Q325519-d618de57-4d85-9e41-eca6-c4be79c727d8
p:P2534 wd:statement/Q325519-9650f5d9-4316-ec60-0f8e-0461e186b88c
wd:statement/Q325519-A257CAE7-C478-4662-A713-EB22DB2451F6
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p:P279 wd:statement/Q325519-5607af54-4d1f-ec9e-65f7-bc42c22b555f
wd:statement/Q325519-5f54e72b-4f1e-d0a6-7ff6-8542e2f15138
wd:statement/Q325519-aab95f3b-48da-56fc-e541-1d39d5dd881b
p:P31 wd:statement/Q325519-7a1e16af-49ee-0c6b-355b-8052d25950e6
p:P3827 wd:statement/Q325519-A09696D6-386C-49CD-958F-17B92267F62F
p:P6104 wd:statement/Q325519-BF5B62FB-DD18-4511-B4EA-362C944FF2E0
p:P6366 wd:statement/Q325519-C7877CCD-9B06-40DB-B4BB-F7287F67C6BC
wd:statement/Q325519-DA6C4E95-3363-4FC7-B84A-E9A61E49480C
p:P646 wd:statement/Q325519-1D06D161-934E-4614-A957-84CFA67439EB
p:P7235 wd:statement/Q325519-2fd70544-4b20-0cc4-874a-35376e8f05dd
wd:statement/Q325519-58f19c04-4f29-95ce-97af-e1ffd64f62b2
wd:statement/Q325519-6c59d43f-4477-adac-aab2-5ac7555e3b24
wd:statement/Q325519-6eb1765a-4929-dd98-9da8-b4967c8dcaa7
p:P7973 wd:statement/Q325519-0d1670c9-42a5-ee80-8420-fc84175d56e1
p:direct-normalized/P6366 <https://makg.org/entity/22163223>
<https://makg.org/entity/2910182364>
wdt:P10283 "C22163223"
wdt:P1687 pKa
wdt:P180 tendency
wdt:P2534 "<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><msub><mi>K</mi><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mi mathvariant="normal">a</mi></mrow></mrow></msub><mo stretchy="false">=</mo><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mfrac><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mo stretchy="false">[</mo><msup><mi>A</mi><mrow data-mjx-texclass="ORD"><mo stretchy="false">&#x2212;</mo></mrow></msup><mo stretchy="false">]</mo><mo stretchy="false">[</mo><mi>H</mi><msup><mi>S</mi><mrow data-mjx-texclass="ORD"><mo stretchy="false">+</mo></mrow></msup><mo stretchy="false">]</mo></mrow></mrow><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mo stretchy="false">[</mo><mi>H</mi><mi>A</mi><mo stretchy="false">]</mo><mo stretchy="false">[</mo><mi>S</mi><mo stretchy="false">]</mo></mrow></mrow></mfrac></mrow></mrow></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
wdt:P2579 Brønsted–Lowry acid–base theory
wdt:P279 acid strength
equilibrium constant
dissociation constant
wdt:P31 chemical property
wdt:P3827 "acid-dissociation-constant"
wdt:P6104 WikiProject Mathematics
wdt:P6366 "22163223"
"2910182364"
wdt:P646 "/m/0fsvj"
wdt:P7235 "<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><mrow data-mjx-texclass="ORD"><mi mathvariant="normal">S</mi></mrow></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
"<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mi mathvariant="normal">H</mi><mi mathvariant="normal">A</mi></mrow></mrow></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
"<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mi mathvariant="normal">H</mi><msup><mi mathvariant="normal">S</mi><mrow data-mjx-texclass="ORD"><mo mathvariant="normal" stretchy="false">+</mo></mrow></msup></mrow></mrow></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
"<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><mrow data-mjx-texclass="ORD"><msup><mi mathvariant="normal">A</mi><mrow data-mjx-texclass="ORD"><mo mathvariant="normal" stretchy="false">&#x2212;</mo></mrow></msup></mrow></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
wdt:P7973 "<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><msub><mi>K</mi><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mi mathvariant="normal">a</mi></mrow></mrow></msub></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
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