A 43.9 ml sample of a 0.394 M aqueous hydrocyanic acid solution is titrated with a 0.357 M aqueous barium hydroxide solution. What is the pH after 9.06 mL of base have been added? pH =

Answerd. may include all of these are many definitions of bases: the  brønsted-lowry definition of acids and bases says that bases are proton acceptors.the arrhenius definition of acids and bases says that bases increase [oh⁻] in solution (thereby producing oh⁻ ions)the lewis definition of acids and bases says that bases donate electron pairs.therefore, the sensible answer is that a base may include all of the described characteristics.

Idon't mean to be a smart alec, length of atoms' bonds is the simplest way to define it.