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Question Answered step-by-step Please see attached Please see attached Image transcription textate: 5. Hydrogen cyanide has the chemical formula HCN. The compound occurs as a colourless gas or a paleblue liquid. Its solution in water is called hydrocyanic acid. It reacts with water as per the reaction below. Whatis the pH of 0.20 mol/L solution of the above acid (K, = 6.2 x10-10)? HCN(aq) + H,O(f) – CN-(aq) + H,O+(aq)… Show more Science Chemistry CHEMISTRY SCH4CJ Share QuestionEmailCopy link Comments (0)