The following diagrams contain one or more of the compounds: H,A, NaHA, and Na A, where H2A is a weak diprotic acid. Which of the solutions cannot act as buffer solutions? Water molecules and Na+ ions have been omitted for clarity. = H2A = A2- %3D (а) (b) (c) (d)

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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.