Will a precipitate form when 10.0 mL 0.00350 M Pb(NO3)2 are added to 15.0 mL 0.00488 M NaCl? PbCl₂ has Ksp = 1.5 x 10-5. O Yes. 1.1 x 10-4> 1.5 x 10-5 O Yes. 1.7 x 10-5 > 1.5 x 10-5 O No. 8.3 x 10-8 < 1.5 x 10-5 O No. 1.2 x 10-8 < 1.5 x 10-5

Consider a solution that is 0.035 M Ca2+ and 0.068 M Pb2*. When K,SO, is added to the solution, what will be the first precipitate and what minimum concentration of K,SO, is required for this precipitate? Compound Kp CaSO, 7.10 x 10-5 PBSO4 1.82 x 10-8 O Caso, will precipitate fırst when [K,SO,) - 2.68 x 10-7 M. %3D O PbSO, will precipitate first when [K,SOl = 5.20 x 10-7 M. O PBSO, will precipitate first when [K,SO] = 2.68 x 10-7 M. O PbSO, will precipitate first when [K,SO.) - 2.03 x 10-3 M. O CasO, will precipitate first when [K,SO] = 2.03 x 10-3 M. D Question 17 Which of the following statements regarding BCI3 is CORRECT? O BCI, is a Lewis acid because B can donate a pair of electrons. BCI, is a Lewis acid because can accept a pair of electrons. BCI, is a Lewis acid because Cl can accept a pair of electrons. O BCI, is a Lewis base because Cl can donate a pair of electrons. BCI, is a Lewis base because B can donate a pair of electrons.

When 25.0 mL of a 9.60×10-5 M potassium phosphate solution is combined with 25.0 mL of a 4.70×10-4 M barium sulfide solution does a precipitate form?   (yes or no)For these conditions the Reaction Quotient, Q, is equal to

When 22.0 mL of a 3.72 × 10-4 M ammonium sulfate solution is combined with 15.0 mL of a 7.43 × 10-4 M silver fluoride solution does a precipitate form? (Ksp (Ag₂SO4) = 1.7 x 10-5) Yes, the precipitate forms. O No, the precipitate doesn't form. For these conditions the Reaction Quotient, Q, is equal to