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Why would adding MgCl2 aliquots to a saturated Mg(OH)2 solution change the pH? a. because MgCl2...
Mg(OH)2 is a sparingly soluble salt with a solubility product, Kp, of 5.61 x 10-1 t is used to control the pH and provide nutrients in the biological The common-ion effect is an application of Le Châtelier's principle, which states that an equilibrium system that is stressed will work to alleviate that stress and reestablish equilibrium. (microbial) treatment of municipal wastewater streams. What is the ratio of solubility of Mg(OH)2 dissolved in pure H2O to Mg(OH)2 dissolved in a 0.190M...
3. Which of the following changes to a saturated solution of Mg(OH)2 will cause the solubility of Mg(OH)2 to increase, dissolving more of the solid? A. Addition of soluble NaOH B. Addition of soluble Mg(NO3)2 C. Addition of Mg(OH)2(5) D. Lowering the pH of the solution E. Increasing the pH of the solution 4. Which of the following best describes the redox reaction occurring in the hydrogen fuel cell? A. H2 + 2OH → 2H2O B. H* + OH-H20 C....
Adding a few drops of a strong acid to water will change the pH of the water significantly. However, adding the same amount of strong acid to a buffer solution doesn't alter the pH significantly. Explain what happens to the pH of the water when the acid is added and why the pH for the water and the buffer solution will be significantly different. DSC-Paragraph BLU-
A saturated solution of Mg(OH), in water has pH = 10.36 Part A Calculate for Mg(OH), Express your answer using two significant figures. 30 ADO Submit Request Answer Provide Feedback
Mg(OH)2 has a Ksp=5.61x10-12. Determine the pH of a saturated solution of Mg(OH)2. (Magnesium hydroxide is a solid.) (10 points)
If the following chemical species are individually added to a saturated solution of Mg(OH)2, determination what each of their impact will be on the solubility of this Group II salt. (will it increase decrease of=r not change) HClO4 is added to the solution. CsI is added to the solution. MgCl2 is added to the solution.
What is the pH of a solution that has a hydroxide concentration of 1.9 X 10-5 M? What is the pH of a 0.056 M solution of H2SO4? H2SO4 is a strong acid. Calculate the pH of a 0.50 M solution of Sr(OH)2. Sr(OH)2 is a strong base. Mylanta liquid has 200 mg of Al(OH)3 and 200 mg of Mg(OH)2 per teaspoonful. Write the equation for the neutralization of stomach acid. Assuming both bases are completely soluble in water, calculate...
Solubility Product A student determines that the concentration of OH" ions in a saturated solution of calcium hydroxide, Ca(OH)2 is 0.054 M. What is Ksp for Ca(OH)2? Ca 7.9 x 10-5 Ob.5.4 x 10-3 Oc. 1.6 x 10-7 Od. 2.9x 10-3 Freezing Point Depression Which colligative property of solutions listed below is correctly stated. 1. The freezing point of a solution decreases as more solute is added. II. The boiling point of a solution increases as more solute is added....
Calculate and compare the molar solubility of Mg(OH)2 in water and in a solution buffered at a pH of 4.5. Part 1: (a) Determine the molar solubility of Mg(OH)2 in water and the pH of a saturated Mg(OH)2 solution. molar solubility =1.39 × 10^-4 M pH = 10.45 Part 2 out of 3 (b) Determine the molar solubility of Mg(OH)2 in a solution buffered at a pH of 4.5. molar solubility =_____× 10_____M
The Effect of a Common Ion on Molar Solubility: pH and
OH- as a Common Ion
We have seen from our study of acid/base chemistry that the
presence of a weak base such as ammonia (Kb = 1.8 X
10-5) can affect the pH of an aqueous solution. This pH
can in turn affect the solubility of a metal hydroxide salt as a
result of the common ion effect. The Ksp for manganese (II)
hydroxide = 2.0 X 10-13. What...