Question: I need help with these question!! When a 2 8 . 5 m L sample of a 0 . 3 7 7 M aqueous hydrocyanic

I need help with these question!!
When a 28.5mL sample of a 0.377M aqueous hydrocyanic acid solution is titrated with a 0.311M aqueous sodium hydroxide solution, what is the pH after 51.8mL of sodium hydroxide have been added?
pH=
I need help with these question!! When a 28.5mL sample of

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