18.0 mL of a 2.57×10-4 M iron(III) acetate solution is combined with 22.0 mL of a 6.33×10-4 M potassium sulfide solution does a precipitate form? fill in the blank 1 (yes or no) For these conditions the Reaction Quotient, Q, is equal to _______. Solid potassium sulfite is slowly added to 150 mL of a 0.0691 M silver nitrate solution. The concentration of sulfite ion required to just initiate precipitation is  _______M.

When 12.0 mL of a 2.43×10* M magnesium nitrate solution is combined with 15.0 mL of a 5.89×104 M potassium hydroxide solution does a precipitate form? (yes or no) For these conditions the Reaction Quotient, Q, is equal to

17. Equal volumes of 0.2 M Nal and 0.2 M Pb(NO,), solutions are mixed. Which is the I ions concentration after the precipitation reaction has reached equilibrium? K = 8x109 for Pbl, %3D sp A) 4.0 x 10 4 B) 8.9 x 10 5 C) 1.0 x 10 3 is D) 2.6 x 10" 4 E) 8.0 x 10

When 12.0 mL of a 6.60×10-4 M sodium phosphate solution is combined with 15.0 mL of a 5.56×10-4 M aluminum iodide solution does a precipitate form? (yes or no) For these conditions the Reaction Quotient, Q, is equal to

A solution is 0.085 M potassium carbonate, K>CO.. Determine the pH of the solution and the equilibrium concentration (in mol L'') for each of the indicated ions. pH = [K°]eq = M [HCO3 leg = _M [CO,?leq = M The compound gold (III) iodide, Aul3, has Ksp=1.0 x 1046, and a molar mass of 577.67 g. Write the net ionic reaction for this compound dissolving in water. What are the molar concentrations of Au3* and of I- in a saturated solution of gold (III) iodide? What is the solubility (in g/ L) of the compound Aul3 in pure water? Reaction: [Au3*) = M M Pure water solubility_ g of Aul3 per liter.

When 18.0 mL of a 2.79x104 M potassium phosphate solution is combined with 18.0 mL of a 7.38×10-4 M barium bromide solution does a precipitate form? (yes or no) For these conditions the Reaction Quotient, Q, is equal to