To identify an unknown diprotic acid, you dissolved 2.0 g of th e acid into 100 mL of water, titrated it with 0.2 M NaOH solution, and found the equivalence point after titrating 222.00 mL NaOH solution. What is this unknown acid?

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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.