> What is the pH of a butter system that contains 0.200 M hydrocyanic acid (HCN) and 0.210 M sodium cyanide (NaCN)? The pKof hydrocyanic acid is 9.31.
Express your answer using two decimal places.
IVO AO
?

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.

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D. h2o + h2o > h3o + oh- confirmed.