Which weak acid would be best to use when preparing a buffer solution with a pH...

Question

Question

Which weak acid would be best to use when preparing a buffer solution with a pH of 8.808.80?

A. an acid with pKa=3.60pKa=3.60

B. an acid with pKa=4.70pKa=4.70

C. an acid with pKa=6.60pKa=6.60

D. an acid with pKa=10.00pKa=10.00

E. an acid with pKa=5.50pKa=5.50

F. an acid with pKa=8.78

Which pair of compounds will form a buffer in aqueous solution?

A. NaCN and NaOH

B. HCN and NaCN

C. HCN and HCl

D. NaCN and KCN

E. HCl and NaOH

F. HCl and NaCl

science chemistry

Answer 1

Answer #1

Answer 2

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