The following questions involve the following equilibrium system:
Cd(OH)2 (s) ----> Cd2+ (aq) + 2OH- (aq)
The following questions involve the following equilibrium system: &nbs
13. Calculate the value for the equilibrium constant, Ksp for the following reaction. Ca(OH)2 (s) - > Cat? (aq) + 2OH(aq) assume that a 20.00 mL sample of saturated Ca(OH)2 was titrated with a 0.050 M standard HCI solution to the equivalence point. Assume that 8.1 mL of standard HCl was needed to get to the equivalence point
3.2-3.9 questions. based on number 3 statement. 3-2. Which of the followine is the chemical reaction for it a. Ca(OH) (s) 5 Ca (q) + 2OH() b. Cal (aq) + 2OH(aq) CaOH (s) c. Ca(OH)2 (s) + 2 HCI) CaCl(aq) + 2 H.00) d. CaCl(aq) + 2 H20d) to CaOH) ) + 2HCI) 3-3. How many moles of HCI were added? a. 0.0250 b. 0.000250 c. 0.000375 d. 0.250 3-4. How many moles of Cars were there in the supernatant?...
A titration is performed with a 25 mL analyze saturated solution of manganese (II) hydroxide with methyl orange indicator, titrated with .0045 M HCl. The end point was reached after 8.72 mL of HCl was added. a) What is the molar concentration of OH b) Calculate Ksp for the magnese hydroxide c) What is the molar solubility of the manganese hydroxide?
1. How is the molar solubility of a slightly soluble salt affected by the addition of an ion common to the salt equilibrium? 2. A 3.11 mL volume of a standardized 0.0025 M HCl solution titrated 25.0 mL of a saturated Mg(OH)2 solution to the methyl orange endpoint. Calculate the Ksp of Mg(OH)2. 3. If the endpoint in the titration of a saturated Ca(OH)2 solution with a standardized HCI solution is surpassed, will the reported Kap of Ca(OH)2 be reported...
Pre-Laboratory Assignment Create a table to record the data for this lab exercise. Leave space for each piece of data you need to record during the lab (measurements, observations, etc.), as well as information you will look up and /or calculate. 1. Why do you need to prepare saturated solutions of Ca(OH)2 in the absence and presence of CaCl2 a week before testing them? a. It takes time for the dissolution of Ca(OH)2 to reach equilibrium. b. The mixtures have...
at the beginning of the activity to use the KSP of cadmium hydroxide to determine the concentration of hydroxide in the saturated solution. you found that [OH-] = 3.68×10^-5 M. calculate the pH of a saturated solution of cadmium hydroxide. < Recitation Activity 8: The Solubility of Salts (Ch 17) Ch17: The Solubility of Salts. Seg3: The Effect of pH on Solubility ( 3 of 3 Consider again the equilibrium in a saturated solution of cadmium hydroxide. Ca(OH)2(8) Cd+2 (aq)...
13. Calculate the value for the equilibrium constant, Ksp for the following reaction. Ca(OH)2 (s) Ca+2 (aq) + 2 OH- ⇆ (aq) assume that a 20.00 mL sample of saturated Ca(OH)2 was titrated with a 0.050 M standard HCl solution to the equivalence point. Assume that 8.1 mL of standard HCl was needed to get to the equivalence point. (I am having trouble with this one. Let me know if there is additional information needed)
*4.66. The solubility of magnesium hydroxide, Mg(OH)2, in water is 9.0 X 10-4 g/100.0 mL. What volume of 0.00100 M HNO3 is required to neutralize 1.00 L of saturated Mg(OH)2 solution?
What is Ksp for the following equilibrium if Mg(OH)2 has a molar solubility of 1.1×10−4 M? Mg(OH)2(s)↽−−⇀Mg2+(aq)+2OH−(aq)
Trial 1 Data 1. Volume of saturated Ca(OH)2 solution (mL) 25.00 2. Molar concentration of standard HCl solution (mL) 0.0480 3. Buret reading, initial (mL) 1.70 4. Buret reading, final (mL) 13.90 Calculate the molar solubility and Ksp for calcium hydroxide based on the table information provided. Molar Solubility Ksp For trials 2 and 3, the Ksp of Ca(OH)2 was and respectively. What is the percent relative standard deviation (%RSD) of the three trials?