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Table 8.3 Acidity Constants of Some Bronsted-Lowry Acids Name Acid, HA Ka pKa Strong acids hydroiodic HI 10^10 -10 hydrobromic acid HBr 10^9 -9 hydrochloric acid HCl 10^8 -8 sulfuric acid* H2SO4 10^3 -3 nitric acid HNO3 10^2 -2 Weak acids hydrogen sulfate ion* HSO4- 10^-2 +2 phosphoric acid* H3PO4 7x10^-3 +2.2 carbonic acid* H2CO3 3x10^-4 +3.6 formic acid HCO2H 2x10^-4 +3.8 acetic acid CH3CO2H 2x10^-5 +4.7 Very weak acids bicarbonate ion* HCO3- 5x10^-7 +6.3 dihydrogen phosphate ion* H2PO4- 6x10^-8 +7.2 hydrogen phosphate ion* HPO4^2- 2x10^-12 +11.7 water H2O 2x10^-16 +14

          Table 8.3 Acidity Constants of Some Bronsted-Lowry Acids

Name Acid, HA Ka pKa
Strong acids
hydroiodic HI 10^10 -10
hydrobromic acid HBr 10^9 -9
hydrochloric acid HCl 10^8 -8
sulfuric acid* H2SO4 10^3 -3
nitric acid HNO3 10^2 -2
Weak acids
hydrogen sulfate ion* HSO4- 10^-2 +2
phosphoric acid* H3PO4 7x10^-3 +2.2
carbonic acid* H2CO3 3x10^-4 +3.6
formic acid HCO2H 2x10^-4 +3.8
acetic acid CH3CO2H 2x10^-5 +4.7
Very weak acids
bicarbonate ion* HCO3- 5x10^-7 +6.3
dihydrogen phosphate ion* H2PO4- 6x10^-8 +7.2
hydrogen phosphate ion* HPO4^2- 2x10^-12 +11.7
water H2O 2x10^-16 +14

Table 8.3 Acidity Constants of Some Bronsted-Lowry Acids

Name Acid, HA Ka pKa
Strong acids
hydroiodic HI 10^10 -10
hydrobromic acid HBr 10^9 -9
hydrochloric acid HCl 10^8 -8
sulfuric acid* H2SO4 10^3 -3
nitric acid HNO3 10^2 -2
Weak acids
hydrogen sulfate ion* HSO4- 10^-2 +2
phosphoric acid* H3PO4 7x10^-3 +2.2
carbonic acid* H2CO3 3x10^-4 +3.6
formic acid HCO2H 2x10^-4 +3.8
acetic acid CH3CO2H 2x10^-5 +4.7
Very weak acids
bicarbonate ion* HCO3- 5x10^-7 +6.3
dihydrogen phosphate ion* H2PO4- 6x10^-8 +7.2
hydrogen phosphate ion* HPO4^2- 2x10^-12 +11.7
water H2O 2x10^-16 +14

Added by Justin Z.

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