Answer 18.6.2 Calcium nitrate is added slowly to a solution that is 0.10 M in SO2 ions and 0.10 M in Fions. Calculate the concentration of Ca²+ ions (in mol/L) required to initiate the precipitation of CaF2 without precipitating CaSC
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- 123 mL of a 0.352 M Ca(NO3)2 solution is mixed with 251 mL of a 0.254 M solution of NaF at 25ºC. Calculate Qsp for the precipitate formed.6. 50.0 ml of 0.01 M Cd(NO3)2 is added to 50.0 ml of 0.1 M H2S. Will a precipitate form?(the Ksp of CdS = 1 x 10-6).Will Ag2SO4 precipitate when 100 mL of 0.050 M AgNO3 is mixed with 10 mL of 5.0 * 10-2 M Na2SO4 solution?
- Does any solid Ag2CrO4 form when 7.9 10-4 g of AgNO3 is dissolved in 15 mL of 3.3 10-5 M K2CrO4? Assume no volume change.a) Yes, precipitate will form. b) No, precipitate will not form. Qsp:Ksp:Calculate the molar solubility of SrC204 in a solution that has a fixed H3 0 concentration of (K, (SrC204) = 5.0 x 10-8, K1 (H,C,04) = 5.60 x 10 2, K2(H2C,O4) = 5.42 x 10) a. 2.5 x 10-6 M. Molar solubility : b. 2.5 × 10-7 m. Molar solubility = c. 2.5 × 10-9 M. Molar solubility = d. 2.5 x 10 11 M. Molar solubility M5 6. 9. 10 11 12 13 14 An analytical chemist is titrating 241.1 mL of a 0.4100M solution of benzoic acid (HC,H,CO,) with a 0.3300M solution of NaOH. The p K of benzoic acid is 4.20. Calculate the pH of the acid solution after the chemist has added 329.1 mL of the NaOH solution to it. Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of NaOH solution added. Round your answer to 2 decimal places. pH = Submit Assignm- Continue MacBook Air トI F8
- Will a precipitate of BaSO4 form when 200.0 mL of 0.000515 M Ba(NO3)2 is added to 150.0 mL of 0.000825 M Na2SO4? Ksp= 1.08x10-10=(Ba2+)(SO42-) True if precipitate forms or false if precipitate does not formSolid NaI is slowly added to a solution that is 0.011 M in Cut and 0.011 M in Ag*. (a) Which compound will begin to precipitate first? compound having greater Ksp compound having smaller Ksp (b) Calculate [Ag*] when CuI just begins to precipitate. 4.0 M (c) What percent of Ag+ remains in solution at this point? 4.0. %What is the maximum concentration of Ag+ ions that could be added to a solution containing 0.045M CO32- before a precipitate would form? Ksp of Ag₂CO3 is 8.1 x 10-12 Periodic Table Report answer to 2 sig figs and in scientific notation.
- Solid NaI is added to a solution which is 0.025 M in TlNO3 and 0.015 M in AgNO3. Assume the volume remains constant. Ksp = 8.9 ✕ 10-8 for TlI and Ksp = 1.0 ✕ 10-16 for AgI. a) What is the concentration of the first ion precipitated when the second ion starts to precipitate? (in M)When 22.0 mL of a 7.86X 10^-4 M ammonium carbonate solution is combined with 25.0 mL of a 1.44 X10^-4 M zinc acetate solution does a precipitate form? (Ksp of ZnCO3 = 1.5 X10^-11) a)Yes, the precipitate forms. b)No, the precipitate doesn't form. For these conditions what is the Reaction Quotient Q .A solution of Na₂CO3 is added dropwise to a solution that is 0.0494 M in Y³+ and 0.144 M in Cd²+. (a) What concentration of CO3²- is necessary to begin precipitation? (Neglect volume changes.) [co3²] = [ M. (b) Which cation precipitates first? O y³+ O Cd²+ (c) What is the concentration of CO3²- when the second cation begins to precipitate? [CO3²-] = M. The Ksp of Y₂(CO3)3 is 1.03e-31. The Ksp of CdCO3 is 1e-12.