118. Solving a chemistry problem
11. Calculate the pH of the quantitative precipitation of CaC2O4 with 0.1M (NH4)2C2O4. For CaC2O4 K0S = 2.3*10-9; for H2C2O4 Ka, 1 = 5.62*10-2; Ka, 2 \u003d 5.89 * 10-5.
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