What is the pH of the carbonic acid if 20.00 mL of 0.0500 M H2CO3 (Ka= 4.5x 10-7) is titrated with a) 0.00 mL b) 10.00 mL c) 20.00 mL d) 30.00 mL e) 40.00 mL of 0.0500 M NaOH was added.

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.