Design a buffer that has a pH of 6.45 using one of the weak acid/conjugate base systems shown below. Weak Acid Conjugate Base Ka HC₂04 C₂04²- 6.4x10-5 H₂PO4 HPO4²- 6.2x10-8 HCO3 CO3²- 4.8x10-11 How many grams of the sodium salt of the weak acid must be combined with how many grams of the sodium salt of its conjugate base, to produce 1.00 L of a buffer that is 1.00 M in the weak base? grams sodium salt of weak acid = grams sodium salt of conjugate base = pka 4.19 7.21 10.32 g g

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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.