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Determine [Zn2+], [CN−], and [HCN] in a saturated solution of Zn(CN)2 with a fixed pH of 2.340. The Ksp for Zn(CN)2 is 3.0×10−16. The Ka for HCN is 6.2×10−10.
The pH of a saturated solution of Fe(OH)2 is 8.67. What is the Ksp for Fe(OH)2?
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
Find the literature ksp value for Mn(OH )2 . ph of saturated solution mn(Oh )2 is 9.90 calculate oh ,mn, mnoh2 concentration and , ksp .compare calculated ksp value from the literature ksp value . are the two values close or different .
7. The Ke for Ca(OH)2 is 6.5x10 at 25°C. Calculate a) Molar solubility of Ca(OH)2 The pH of a saturated solution of Ca(OH)2 b) c) In what pH range are the precipitates dissolved? 7. The Ke for Ca(OH)2 is 6.5x10 at 25°C. Calculate a) Molar solubility of Ca(OH)2 The pH of a saturated solution of Ca(OH)2 b) c) In what pH range are the precipitates dissolved?
6 6. Zinc hydroxide, Zn(OH)2. is practically insoluble in pure water. (Kap 3.0 x 10-16) a) Determine the pH of a saturated aqueous solution of Zn(O1H)2. (You should assume that all hydroxide ions in the solution come from the Zn(OH)2: you can ignore the autoionization of water.) (4 pts) b) Zn(OH)2 is less soluble in even very dilute solutions of Zn(NOs)2 due to the common ion effect. Determine the molar solubility of zine hydroxide in a 1.0 x 10-4 M...
3. The pH of a saturated M(OH), solution is 9.80. Calculate the K, of MOH), 4. Consider the following mixtures. For those mixtures that result in precipitate formation, identify the precipitate. For those mixtures that do not result in precipitate formation, explain why. Refer to the table of K, values as needed. a. 20.0 mL. 0.020 M AgNO, mixed with 10.0 mL 0.020 M Na,Cro b. 50.0 mL 0.010 M Ca(NO), mixed with 20.0 mL 0.010 M K,So, c. 40.0...
NaOH is added to a saturated solution of Mn(OH), to increase the pH (make the solution more basic). What would the poH have to be at equilibrium to make the Mn2+ concentration 3.15 x 10-7 M in the saturated solution? Kup = 1.6 x 10-13 for Mn(OH), (A) 2.85 (B) 3.27 (C) 3.31 (D) 2.95 (E) 3.15 Submit
Determine [Zn2+], [CN-], and [HCN) in a saturated solution of Zn(CN), with a fixed pH of 1.250. The Ksp for Zn(CN), is 3.0 x 10-16. The K, for HCN is 6.2 x 10-10. [Zn²+] = M [HN] = | M [CN-] = M
What is the pH in a saturated solution of Ca (OH)2? (solvent is Pure Water with u 0) 2.