The following scenes (1, 2, and 3) represent solutions of ma…
The following scenes (1, 2, and 3) represent solutions of magnesium (black) and fluoride (green) ions that are above solid magnesium fluoride MgF2. (The solid, other ions, and water are not shown) a. Which scene best represents the solution in equilibrium with the solid in water? [A] b. In which, if any, other scene(s) will additional solid form? [B] c. Once the equilibrium has established in all scenes if applicable, how will addition NaF (aq) affect the mass of solid present in any scene? [C]
Read DetailsAmmonia has a Kb of 1.8×10−5. Three ammonia/ammonium chlorid…
Ammonia has a Kb of 1.8×10−5. Three ammonia/ammonium chloride (NH3/NH4Cl) buffer solutions, A, B, and C, were made using varying concentrations. What is the pH of each of the following three solutions? Enter each of your answers to two decimal places. A. NH3 ten times greater than NH4Cl, pH = [one] B. NH4Cl ten times greater than NH3, pH = [two] C. NH3 = NH4Cl, pH = [three]
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