Oxalic acid, H2C204, has acid dissociation constants of Ka1=5.90×10-2 and Ka2=6.40x10-5. Calculate the pH and molar concentrations of H2C204, HC20-4, and C202-4 at equilibrium for each of the solutions.

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Oxalic acid, H2C204, has acid dissociation
constants of Kal=5.90×10-2 and
Ka2=6.40x10-5. Calculate the pH and
molar concentrations of H2C204, HC2O-4,
and C202-4 at equilibrium for each of the
solutions.
Oxalic acid, H,C,0,. has acid dissociation constants of K - 5.90 x 10-2 and K2 - 6.40 x 10-5. Calculate the pH and molar
concentrations of H,C,0,. HC,0,, and C,0- at equilibrium for each of the solutions.
A 0.129 M solution of H,C,0
pH =
[H,C,0,] =
M
[HC,0] =
M
[C,01 =
M
A 0.129 M solution of Na, C,O,.
pH -
[H,C,0,] =
M
[HC,0,] =
M
[C,0;"| =
M
Transcribed Image Text:Oxalic acid, H2C204, has acid dissociation constants of Kal=5.90×10-2 and Ka2=6.40x10-5. Calculate the pH and molar concentrations of H2C204, HC2O-4, and C202-4 at equilibrium for each of the solutions. Oxalic acid, H,C,0,. has acid dissociation constants of K - 5.90 x 10-2 and K2 - 6.40 x 10-5. Calculate the pH and molar concentrations of H,C,0,. HC,0,, and C,0- at equilibrium for each of the solutions. A 0.129 M solution of H,C,0 pH = [H,C,0,] = M [HC,0] = M [C,01 = M A 0.129 M solution of Na, C,O,. pH - [H,C,0,] = M [HC,0,] = M [C,0;"| = M
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