URGENT!!! When 2.0 g Co(NO3)2 is dissolved in 0.341 L of 0.44 M KOH, what are...

Question

Question

URGENT!!! When 2.0 g Co(NO3)2 is dissolved in 0.341 L of 0.44 M KOH, what are [Co2+], [Co(OH)42- ], and [OH- ]? (Kf of Co(OH)42- = 5.0 109)

science chemistry

Answer 1

Similar Homework Help Questions

When 1.95 grams of Co(NO3)2 is dissolved in 0.250 L of 0.220 M KOH, what are...

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?
Be sure to answer all parts. When 1.95 g of Co(NOsh ia dissolved in 0.450 L...

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
When 1.95g of co(no3)2 (Mm=182.94g/mol) is dissolved in 0.400Lof 0.220m KOH what is the equilibrium concentration...

When 1.95g of co(no3)2 (Mm=182.94g/mol) is dissolved in 0.400Lof 0.220m KOH what is the equilibrium concentration of co2+(aq)? Kc= 5.00e9 Please show every step.

When 0.1 L of 0.0200 M Ni(NO3)2 is combined with 0.010 L 0.3 M NH3, the...

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+
21. Which of these oxides will produce a basic solution when dissolved in water? A) CO2...

21. Which of these oxides will produce a basic solution when dissolved in water? A) CO2 B) SO C) P205 D) Rb20 Ks = 2.0 x 10-5 22. Calculate the pH of a 0.021 M NaCN solution. [K, = 4.9 x 10-10 A) 1.68 B) 3.18 C) 5.49 D) 7.00 E) 10.82 23. Which response gives the products of hydrolysis of KF? A) KOH + HF B) OH + HF C) KOH + H+F D) KH+ + OH E) No...
help ASAP! when 25.0 ml of 0.100 M Co(NO3)2 is mixed with 45.0 mL 0.100 M...

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

A. What is the mass of barium hydroxide (171.35 g/mol) dissolved in 0.542 L of 0.107 M Ba(OH)2 solution?

A. What is the mass of barium hydroxide (171.35 g/mol) dissolved in 0.542 L of 0.107 M Ba(OH)2 solution? B. What is the molarity of aqueous lithium bromide if 24.60 mL of LiBr reacts with 12.77 mL of 0.2491 M Pb(NO3)2? Pb(NO3)2(aq) + 2 LIBr(aq) → PbBr2(s) + 2 LINO3(aq)
A solid consists of a mixture of N2NO3 and Mg(NO3)2. When 6.50 g of the solid...

A solid consists of a mixture of N2NO3 and Mg(NO3)2. When 6.50 g of the solid is dissolved in 50.0 g of water, the freezing point of the solution is lowered by 5.26°C. What the composition by mass of the solid? g NaNO3 g Mg(NO3)2 I think Kf value is 1.86
1. When 5.0 g CaCl2 is dissolved in enough water to make a 0.500 L solution,...

1. When 5.0 g CaCl2 is dissolved in enough water to make a 0.500 L solution, what is the molarity of ions in solution? 2. How many formula units are in 0.25 mole of Na2O? 3. How many nitrate ions are present in 0.200 mol of Zn(NO3)2?

What complexes form from........ Ni(NO3)2 (.1 M)+ HCl ----->_________ then add H2O forms _______ Co(NO3)2 (.1...

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 +...