27. Phosphate buffers are essential in living systems. What is the pH of a buffer contains 0.150 M H₂PO4(aq) and 0.275 M NaH₂PO4(aq)? Data: K. (H₂PO4)-7.2 10³ A) 4.06 B) 5.23 C) 2.41 D) 3.38 1.65

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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.