When 1.95 grams of Co(NO3)2 is dissolved in 0.250 L of 0.220 M KOH, what are the [Co 2+], [Co(OH)4 2-], and [OH-] if Kf of Co(OH)4 2- = 5.00x10^9?
When 1.95 grams of Co(NO3)2 is dissolved in 0.250 L of 0.220 M KOH, what are...
Be sure to answer all parts. When 1.95 g of Co(NOsh ia dissolved in 0.450 L of0.220 M KOH, what are [ Col [ Co(OH)广], and [ OH ] ifEf of Co(OH)42-= 5.00 × 109? M Co(OH)- M OH
Suppose 0.250 L0.250 L of 0.470 M H2SO40.470 M H2SO4 is mixed with 0.200 L0.200 L of 0.220 M KOH0.220 M KOH. What concentration of sulfuric acid remains after neutralization?
help ASAP! when 25.0 ml of 0.100 M Co(NO3)2 is mixed with 45.0 mL 0.100 M KOH(aq), show by calculation whether a precipitate of Co(OH)2(s) will for. Ksp of Co(OH)2 is 1.3 * 10^-15
Determine the Co concentration of the solution formed when 5.00 grams of cobalt(II) nitrate hexahydrate (CO(NO3)2:6H,0) is dissolved in 550 mL of water? Select one: a. 0.0172 b. 0.0312 c. 291 d. 0.0624 O
What is the molarity of NO?3 in each solution? 0.130 M KNO3 0.220 M Ca(NO3)2 0.300 M Al(NO3)3
What is the molarity of NO?3 in each solution? 0.150 M KNO3. 0.220 M Ca(NO3)2 0.370 M Al(NO3)3.
When 0.1 L of 0.0200 M Ni(NO3)2 is combined with 0.010 L 0.3 M NH3, the Ni(NH3)62+ ion forms (Kf = 2.0 × 10^8). Calculate the equilibrium concentration of Ni2+, NH3, and Ni(NH3)62+
What complexes form from........ Ni(NO3)2 (.1 M)+ HCl ----->_________ then add H2O forms _______ Co(NO3)2 (.1 M)+ HCl ----->_________ then add H2O forms _______ Cu(NO3)2 (.1 M)+ NH3----->_________ then add H2O forms _______ Cu(NO3)2 (.1 M)+ Ethylenediamine ----->_________ then add OH- forms _______ Cu(NO3)2 (.1 M)+ KSCN----->_________ then add OH- forms _______ Cu(NO3)2 (.1 M)+ EDTA----->_________ then add OH- forms _______ Ni(NO3)2 + NH3----->_________ then add OH- forms _______ Ni(NO3)2 + Ethylenediamine----->_________ then add OH- forms _______ Ni(NO3)2 + KSCN----->_________ then add OH- forms _______ Ni(NO3)2 +...
5) 96 mg ofsolid KOH was completely dissolved in 3.5 L ofpure water. What is the concentration of K and OH in the solution in units of ug/L and M? What is the pH, pOH and total number of atoms of OH' in the solution? Use Avogadro's number as 6.022*1023 atoms/mol
what is the mass percent of 20.0grams Mg(NO3)2 dissolved in 500.0 grams of water?