Which one of the following is a buffer solution? 0.4 MHCN +0.2 M NaCH3COO 1,0 M HNO3 and 1.0 M NaOH 1.0 M CH3COOH + 1.0 M NaCH3COO 0.20 M CH3COOH 0.1 M KCN and NaCl O O O

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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.