Solubility Equilbria
Solubility equilibria play a crucial role in understanding the behavior of solutes in solution. At its core, solubility equilibrium refers to the dynamic balance between dissolved and undissolved solute molecules in a solvent. This equilibrium is governed by the solubility product constant (Ksp), which quantifies the extent of dissolution of a solute in a given solvent. By studying solubility equilibria, scientists can predict the solubility of various compounds under different conditions, providing valuable insights into processes such as precipitation, dissolution, and saturation in chemical systems.
Questions
- What are the products of the dissociation of magnesium iodide? (select all correct answers): ~ 2 I+(aq) ~ Mg2-(aq) ~ I2-(aq) ~ 2 I-(aq) ~ Mg(s) ~ Mg2+(aq)
- How can I calculate solubility of calcium hydroxide?
- How would #TcI_2# behave in water?
- Each of the following reactions shows a solute dissolved in water. Classify each solute as a strong electrolyte, a weak electrolyte, or a nonelectrolyte?
- What is the difference between solubility equilibrium and dynamic equilibrium?
- Why is Calcium Hydroxide “relatively insoluble”? I mixed NaOH(aq) and CaCl2(aq) and somehow there’s precipitate, despite the fact that calcium in OH is said to be soluble.
- What is the solubility of hydrogen (in units of grams per liter) in water at 25 °C, when the #H_2# gas over the solution has a partial pressure of .286 atm?
- #Ca^+2(aq)# + #Co3^-2(aq)rightleftharpoons # #CaCo3(S)# the amount of dissolved Caco3 can be increased on adding a.#Caco3(s)# b.#KNo3(s)# c.#Na2Co3(s)# d.#CH3Co oH(s)# #?#
- What is the physical state of pure hydrogen chloride?
- In the reaction between #HNO_2# and #HCN#: #HNO_2(aq) + CN^(-)(aq) rightleftharpoons HCN(aq) + NO_2^(-)(aq)#, K = #1 x 10^6#. What are the predominate species after the reaction reaches equilibrium?
- How do we formulate #"iodide ion"# in aqueous solution?
- Given the value of #K_(sp) = 2.9 xx 10^(-12)#, what would be the solubility of #"Mg"("OH")_2# in a 0.345 M #"NaOH"# solution?
- What characteristics define a chemical system in equilibrium?
- What is the solubility of #NH_3# at 10°C?
- The value of Ksp for Ni(OH)2(aq) is 6.0x10^-16. What is the molar concentration of nickel ions in a saturated pH=7.0 buffer solution? Assume the buffer is sufficiently strong that the pH does not change during equilibration.
- How does pH affect solubility equilibria?
- What is the solubility of #KCl# at 25°C?
- What is the solubility product of calcium hydroxide?
- The solubility product constant for #"Mg(OH)"_2# is #1.8 × 10^"-11"#. What would be the solubility of #"Mg(OH)"_2# in 0.345 M #"NaOH"#?
- What is salt hydrolysis?