Question

4. 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 Ka of HCN if the pOH of 0.357 mol/L solution is 12.54? SHOW ALL YOUR WORK. HCN(aq) + H2O(l) ? CN-(aq) + H3O+(aq)

          4. 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 Ka of HCN if the pOH of 0.357 mol/L solution is 12.54? SHOW ALL YOUR WORK.

HCN(aq) + H2O(l) ? CN-(aq) + H3O+(aq)

4. 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 Ka of HCN if the pOH of 0.357 mol/L solution is 12.54? SHOW ALL YOUR WORK.

HCN(aq) + H2O(l) ? CN-(aq) + H3O+(aq)

Added by Lawrence C.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Adi S

09/19/2023

Step 1

Given pOH = 12.54, we can find pH using the formula pH + pOH = 14. pH = 14 - 12.54 = 1.46. Show more…

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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 Ka of HCN if the pOH of a 0.357 mol/L solution is 12.54? SHOW ALL YOUR WORK. HCN(aq) + H2O(l) ⇌ CN-(aq) + H3O+(aq)