The pK value for HCN is 9 40 Would a buffer prepared from

Last updated: 7/2/2023

The pK value for HCN is 9 40 Would a buffer prepared from HCN and KCN with a pH of 8 90 be considered to be an effective buffer A buffer in which the mole ratio of KCN to HCN is 1 8 has a pH of 9 65 Would this buffer solution have a greater capacity for added acid H O or added base OH