Calculate the Concentration of Oxalate Ion (C₂O₄^2-)in a 0

Multiple Choice

Calculate the concentration of oxalate ion (C₂O₄^2-) in a 0.175 M solution of oxalic acid (C₂H₂O₄) .[For oxalic acid, K_a1 = 6.5 × 10^-2, K_a2 = 6.1 × 10^-5.]

A) 0.11 M
B) 6.1 × 10^-5 M
C) 4.0 × 10^-6 M
D) 0.0791 M
E) 0.175 M