In the carbonate diagram shown (same as in previous figure), report the approximate values for K₂1 and K₂2. Recall that K₁1 governs the equilibrium between H₂CO3 and HCO3, and K₂2 governs the equilibrium between HCO3 and CO3²-. Species Fraction 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 DXC 6 7 1 2 3 4 Ka1 is 4.5E-7, and Ka2 is 4.7E-11 pka1 is 9.1 and pka2 is 5.9 Ka1 is 1.15E-6 and Ka2 is 7.5E-10 pka1 is 6.3, pka2 is 10.3 5 pH 8 9 10 11 12 13 B C

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Chapter1: Chemical Foundations
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In the carbonate diagram shown (same as in previous figure), report the approximate values
for K₂1 and K₂2. Recall that K₂1 governs the equilibrium between H₂CO3 and HCO3, and Ka2
governs the equilibrium between HCO3 and CO3²-.
Species Fraction
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
1
2
XXX
8
3
4
Ka1 is 4.5E-7, and Ka2 is 4.7E-11
O pka1 is 9.1 and pka2 is 5.9
pKa1 is 6.3, pka2 is 10.3
Ka1 is 1.15E-6 and Ka2 is 7.5E-10
5
6
pH
7
10
11
12
13
A
B
C
Transcribed Image Text:In the carbonate diagram shown (same as in previous figure), report the approximate values for K₂1 and K₂2. Recall that K₂1 governs the equilibrium between H₂CO3 and HCO3, and Ka2 governs the equilibrium between HCO3 and CO3²-. Species Fraction 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 1 2 XXX 8 3 4 Ka1 is 4.5E-7, and Ka2 is 4.7E-11 O pka1 is 9.1 and pka2 is 5.9 pKa1 is 6.3, pka2 is 10.3 Ka1 is 1.15E-6 and Ka2 is 7.5E-10 5 6 pH 7 10 11 12 13 A B C
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