A buffer solution is to be formed using HCHO2 and NaCHO2. Ka for HCHO2 is 1.77...

Question

Question

A buffer solution is to be formed using HCHO₂ and NaCHO₂. K_a for HCHO₂ is 1.77 x 10^-4.

a. Find the mass of NaCHO₂ that must be dissolved in 250. mL of 1.40 M of HCHO₂ to prepare a buffer solution with pH = 3.36.

b. What will be the pH of the solution following the addition of 15.0 mL of 0.0100 M NaOH?

Answer 1

Answer #1

Answer 2

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