1. A formic acid/sodium formate buffer solution can be prepared with 0.012 M each of formic acid (HCOOH) and sodium form

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1. A formic acid/sodium formate buffer solution can be preparedwith 0.012 M each of formic acid (HCOOH) and sodium formate(NaCOOH). The Ka for formic acid is 1.8 x 10-4.The simultaneous equilibrium reaction is as shown below. Calculatethe pH and the buffer capacity of the solution.
HCOOH(aq) + H2O(l) ⇋H3O+(aq) +HCOO-(aq)
2. Suppose you wanted to increase the buffer capacity of theformic acid/sodium formate buffer solution above. What would youdo? Explain your answer
3. A solution is made by dissolving 15.4 g of HCl in 500 mL ofwater. Calculate the pH of the solution assuming the volume remainsconstant.