14.0 mL of a 0.50 M Na2CO3 solution is added to a large test tube. Enough 0.50 M NaHCO3 solution is added to the test tube to give a final volume of 30.0 mL. What is the pH of the resulting buffer solution? H2CO3 has Ka1 = 4.3×10-7 and Ka2 = 5.6×10-11.

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Solution volume of Na 2 CO 3 140 ml so volume o... View the full answer