Learning Goal: To understand the relation between the strength of an acid or a base and its pK, and pks values The degre

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Learning Goal To Understand The Relation Between The Strength Of An Acid Or A Base And Its Pk And Pks Values The Degre 1 (32.66 KiB) Viewed 11 times

Learning Goal: To understand the relation between the strength of an acid or a base and its pK, and pks values The degree to which a weak acid dissociates in solution is given by its acid-ionization constant, K For the generic weak acid, HA, HA(aq) A (aq)+H+ (aq) and the acid-ionization constant is given by K₁-A HA Similarly, the degree to which a weak base reacts with H₂O in solution is given by its base-lonization constant, K. For the generic weak base, B, B(aq) +H₂O(1) and the base-ionization K₁= BH(aq) + OH (aq) constant is given by BHOH (13 Another way to express acid strength is by using pk. Another way to express base strength is by using p Part A pK,= -log K₂ A new potential heart medicine, code-named X-281, is being tested by a pharmaceutical company, Pharma-pit. As a research technician at Pharma-pill, you are told that X-281 is a monoprotic weak acid, but because of security concerns, the actual chemical formula must remain top secret. The company is interested in the drug's K. value because only the dissociated form of the chemical is active in preventing cholesterol buildup in arteries PK, To find the pK, of X-281, you prepare a 0.083 Mf test solution of X-281 at 25.0°C. The pH of the solution is determined to be 2.40. What is the pK, of X-2817 Express your answer numerically. View Available Hint(s) Submit PK₁= -log K₁ ΑΣΦ PLE E.