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Chemistry, 23.01.2021 05:50 kimlyn58p0wyn0

Hydrogen cyanide has the chemical formula HCN. The compound occurs as a colourless gas or a pale blue liquid. Its solution in water is called hydrocyanic acid. It reacts with water as per the reaction below. What is the pH of 0.20 mol/L solution of the above acid (Ka = 6.2 ×10-10)? SHOW ALL YOUR WORK. HCN(aq) + H2O(ℓ) ⇔ CN–(aq) + H3O+(aq)

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