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QUESTION
What are the pKas of ##HCN##, hydrocyanic acid and ##HF##, hydrofluoric acid?
They are:
##"pKa"_("HC"-="N") = 9.31##
##"pKa"_("HF") = 3.46##
Or you could have looked them up in a few minutes. I googled "pKa of HCN" and found this on the second link down.
So, which is the stronger acid? Would you say it is ##"HF"##? Why?
