Problem: Over what pH range will an oxalic acid (H 2C2O4) / sodium oxalate (NaHC2O4) solution work most effectively? The acid dissociation constant of oxalic acid is 6.0 x 10-2. a) 0.22 – 2.22                 b) 1.00 – 3.00                  c) 0.22 – 1.22                   d) 2.0 – 4.0

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Over what pH range will an oxalic acid (H 2C2O4) / sodium oxalate (NaHC2O4) solution work most effectively? The acid dissociation constant of oxalic acid is 6.0 x 10-2.

a) 0.22 – 2.22                 b) 1.00 – 3.00                  c) 0.22 – 1.22                   d) 2.0 – 4.0

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