Chem III Exam 1 Questions And Answers 2024

Chem III Exam 1 Questions And Answers 2024 Understand and be able to write the solubility product constant expression, Ksp, for a salt. - ANSExplain how the common ion effect pertains to precipitation reactions. - ANS-Solubility of a salt is reduced by the presence of one of its constituent ions in a solution. Understand how Qsp and Ksp relate to solubility and precipitation of a salt. - ANS-Qsp - ion product is a constant for an unsaturated or supersaturated solution not at equilibrium Ksp - solubility product constant for a saturated solution at equilibrium. Determine the Ksp for a salt, given the solubility of the salt and vice versa - ANS-1) Write the chemical equation for the substance dissolving and dissociating. 2) Write the Ksp expression. 3) Insert the concentration of each ion and multiply out. Calculate the Q for a reaction given appropriate concentration information. - ANS-M2= (M1V1)VT Predict and calculate the effect of pH on solubility of a salt. - ANS-The stronger the acid, the weaker the conjugate base. Strong acids with weaker conjugate bases means that the anion base will not react with hydronium (H3O+) and will not decrease concentration of products or shift equilibrium, leaving solubility unaffected. Write the stepwise formation constant expressions for the complex Ni(CN)4 2- and the overall formation constant expression. - ANS-1...