Cyanide salts such as sodium cyanide are amoung the most rapidly acting of all known poisons and act by inhibiting respiration.
a) Determine the pH of a solution of 0.0054M sodium cyanide (assuming complete dissociation) and state whether sodium cyanide is an acidic, basic or neutral salt (Ka HCN = 4.9×10^-9)
b) If the current biological toxicity limit of cyanide for the average male is 8.9×10^-6M, is the solution described above toxic?
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