a aTles if needed for this qsestion. p The pK, value for HC20 is 4.19. What...

Question

Question

Answer 1

Answer #1

Given:

pH = 4.55

pKa = 4.19

use:

pH = pKa + log {[conjugate base]/[acid]}

4.55 = 4.19+log {[C2O42-]/[HC2O4-]}

log {[C2O42-]/[HC2O4-]} = 0.36

[C2O42-]/[HC2O4-] = 2.291

Answer: 2.29

Answer 2

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