Possible Identities of Weak Acids for Lab – Measuring Acid Strength
(Lab and information from Flinn ChemTopic Labs Volume 13: Acids and Bases, Irene
Cesa, Senior Editor, Flinn Scientific, Inc., Batavia, IL, © 2002, pp. 31-40.
Acid
Potassium dihydrogen phosphate
Potassium hydrogen sulfate
Potassium hydrogen phthalate
Potassium hydrogen tartrate
Formula
KH2PO4
KHSO4
KHC8H4O4
KHC4H4O6
Ka
Ka2 of H3PO4 = 6.2 x 10−8
Ka2 of H2SO4 = 1.2 x 10−2
Ka2 of H2C8H4O4 = 3.9 x 10−6
Ka2 of H2C4H4O6 = 4.6 x 10−5
Possible Identities of Weak Acids for Lab – Measuring Acid Strength
(Lab and information from Flinn ChemTopic Labs Volume 13: Acids and Bases, Irene
Cesa, Senior Editor, Flinn Scientific, Inc., Batavia, IL, © 2002, pp. 31-40.
Acid
Potassium dihydrogen phosphate
Potassium hydrogen sulfate
Potassium hydrogen phthalate
Potassium hydrogen tartrate
Formula
KH2PO4
KHSO4
KHC8H4O4
KHC4H4O6
Ka
Ka2 of H3PO4 = 6.2 x 10−8
Ka2 of H2SO4 = 1.2 x 10−2
Ka2 of H2C8H4O4 = 3.9 x 10−6
Ka2 of H2C4H4O6 = 4.6 x 10−5
Possible Identities of Weak Acids for Lab – Measuring Acid Strength
(Lab and information from Flinn ChemTopic Labs Volume 13: Acids and Bases, Irene
Cesa, Senior Editor, Flinn Scientific, Inc., Batavia, IL, © 2002, pp. 31-40.
Acid
Potassium dihydrogen phosphate
Potassium hydrogen sulfate
Potassium hydrogen phthalate
Potassium hydrogen tartrate
Formula
KH2PO4
KHSO4
KHC8H4O4
KHC4H4O6
Ka
Ka2 of H3PO4 = 6.2 x 10−8
Ka2 of H2SO4 = 1.2 x 10−2
Ka2 of H2C8H4O4 = 3.9 x 10−6
Ka2 of H2C4H4O6 = 4.6 x 10−5