How does the common ion effect affect the solubility of a sparingly soluble salt? The common ion effect reduces its solubility true The common ion effect increases its solubility false The common ion effect keeps its solubility constant false The common ion effect prevents drastic changes in solubility false Single Two solutions containing the same salt are under similar temperature conditions but have different pH. If the salt is basic, what can be said about its solubility? The salt is insoluble in both solutions false The salt has the same solubility in both solutions false The salt is more soluble in the solution with higher pH false The salt is more soluble in the solution with lower pH true Single Which of the following compounds is insoluble in water? FeS₂ true KN₃ false KNO₃ false Na₂CO₃ false Single Which of the following statements is true about net ionic equations? They include spectator ions false Both sides of the equation may have different net charge false Both sides should be stoichiometrically balanced true Reactants and products are treated as molecules instead of ions false Single Which of the following reactions is an example of a molecular equation showing precipitation? CO₃₂- + 2H₊ → CO₂ + H₂O false 2Na+ + 2OH- + Mg₂+ + 2Cl- → Mg(OH)₂ + 2Na+ + 2Cl- false 2NaOH + MgCl₂ → 2NaCl + Mg(OH)₂ false Mg₂₊ + 2OH- → Mg(OH)₂ true Single What should be the value of a salt's Qsp to favor its formation as a precipitate? Q_sp < 0 false Q_sp < K_sp false Q_sp > 0 false Q_sp > K_sp true Single Suppose you have four salts that were dissolved under similar temperature conditions. Which of those salts would be the easiest to dissolve? A salt with a Ksp of 0.1 true A salt with a Ksp of 0.001 false A salt with a Ksp of 1.0 x 10-6 false A salt with a Ksp of 1.0 x 10-16 false Single What is the SI unit for solubility? molar true molal false moles false kg/s false Single What is the correct Ksp expression of PbCl_2(s)? K_sp = [Pb₂₊][Cl-] false K_sp = [Pb₂₊][Cl-]₂ true K_sp = [Pb₂₊]2[Cl-] false K_sp = 2[Pb₂₊][Cl-] false Single Kidney stones form mainly as a result of the precipitation of what compound? calcium oxalate true sodium chloride false potassium phosphate false potassium chloride false Single