QUESTION 18 A solution is made by dissolving 1.0x 10 3 M MgCl2 and 1.0x 10...
2. If 0.100 L of 0.0015 M MgCl2 and 0.200 L of 0.025 M NaF are mixed, should a precipitate of MgF2 form? MgF2 (s) - Mg2+ (aq) + 2 F (aq) Ksp = 3.7 x 10-8 A) no ,it won't occur precipitate B) not enough information C) yes ,it will form precipitate
MgF2(s) <--> Mg2+(aq) + 2 F–(aq) In a saturated solution of MgF2 at 18 0C, the concentration of Mg2+ is 1.21 x 10–3 molar. The equilibrium is represented by the equation above. (a) Write the expression for the solubility-product constant, Ksp, and calculate its value at 18 0C. (b) Calculate the equilibrium concentration of Mg2+ in 1.000 liter of saturated MgF2 solution at 18 0C to which 0.100 mole of solid KF has been added. The KF dissolves completely. Assume...
Will a precipitate form when 35.0 mL of 0.25 M Mg(NO3)2 and 65 mL of 0.15 M NaF are mixed together? Ksp for MgF2 = 7.4 x 10". Your work must justify your answer. MgF2 (s) + Mg2+ (aq) + 2 F (aq) Calculate the Ksp for vanadium hydroxide if the solubility of V(OH), in pure water is 1.1 x 10-7 g/L. V(OH)35 V3+ + 3 OH Label each of the following salts as acidic (A), basic (B) or neutral...
In a saturated solution of MgF2 at 16 °C, the concentration of Mg2+ is 1.44x10 –3 M The equilibrium is represented by the equation MgF2 -->Mg 2+ + 2 F-. A.Write the expression for the solubility product constant, Ksp. B.Calculate the value of Ksp at 16°C for MgF2 Note: Your answer is assumed to be reduced to the highest power possible. C.Calculate the equilibrium concentration of Mg2+ in 1.000 L of saturated MgF2 solution at 16°C to which 0.450 mole of...
A solution of NaF is added dropwise to a solution that is 0.0343 M in Mg2+ and 1.48e-09 M in Y3+. The Ksp of MgF2 is 5.16e-11. The Ksp of YF3 is 8.62e-21. (a) What concentration of F- is necessary to begin precipitation? (Neglect volume changes.) [F-] = M. (b) Which cation precipitates first? Mg2+Y3+ (c) What is the concentration of F- when the second cation begins to precipitate? [F-] = M.
Suppose a solution is made containing 7.3 x 10-3 M Sr(NO3)2(aq) and 8.3 x 102 M NaF (aq). Calculate Q and determine whether a precipitate of SrF2 (s) will form. (In other words, which of the following is entirely correct?) Ksp of SrF2 = 2.8 x 10-9 a. Q = 5.0 x 105, ppt forms b. Q = 5.0 x 10-5, no ppt c. Q = 2.0 x 104 ppt forms d. Q = 6.1 x 104.ppt forms e. Q...
pls explain :) QUESTION 12 Which of the following compounds will have a different solubility with a change in pH? 1.AgNO3 2. CaCl2 O 3. Ca(OH2 4. CuCI O5. Hg2Cl2 QUESTION 5 The K sp of AgCl at 25 °C is 1.6x10-10 Consider a solution that is 2.0 x 10-6M NaCl and 1.0x 104 M AgNO 3 1.Q > Ksp and a precipitate will not form O 2.Q< Ksp and a precipitate will not form 3. The solution is saturated...
13. Will a precipitate of magnesium fluoride form when 300.0 mL of 1.1 x 103 M MgC are added to 500.0 mL of 1.2 × 103 M NaF? (Ksp (MgF2) = 6.9 × 10-9) A. No, Q is less than Ksp. B. Yes, Q is greater than Ksp C, No, Q = Ksp. D. Yes, Q is less than Ksp
a solution contains 0.10M each of Ba2+, QUESTION 6 Which of the following compounds will be more soluble in acidic solution than pure water? Select all that apply. DAgCi AgF Ag2CO3 О AgBr QUESTION 7 A solution contains 0.10 M each of Ba2+ Pb2Ca2+ and Mg2+ Which of the following compounds will precipitate first upon the addition of NaF? Ksp values are provided in parentheses Bat2 (2 x 10-5, O PbF2 (4 x 10-8) O CaF2 (4 x 10-11) MgF2...
Please walk me through the steps. Question 7 O out of 1p The Ksp of CaF2 at 25°C is 4.0 x 10-11. Consider a solution that is 1.0 x 10-4 M in Ca(NO3)2 and 1.0 x 10-4 Min NaF. Selected Answer: Correct Answer: A. Q> Ksp and a precipitate will form. C. Q<Ksp and a precipitate will not form. Question 8 O out of 1 poi The Ksp of CaF2 at 25°C is 4 x 10-11. Consider a solution that...