The equilibrium concentration of hydroxide ion in a saturated cobalt(II) hydroxide solution is ...................M.

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queen_honey_blossom answered 2 years ago

What is the cobalt (II) ion concentration in a solution prepared by mixing 395 mL of...

What is the cobalt (II) ion concentration in a solution prepared by mixing 395 mL of 0.381 M cobalt (II) nitrate with 463 mL of 0.204 M sodium hydroxide? The Ksp of cobalt (II) hydroxide is 1.3 × 10-15 *** Someone said the answer was 1.2x10-6 ,1.2x10-14, , 6.9x10-14 and its incorrect. HELPP!!

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What is the hydroxide-ion concentration in a 0.13 M solution of Na2CO3? For carbonic acid, Ka1 = 4.2 × 10–7 and Ka2 = 4.8 × 10–11. (Kw = 1.0 × 10–14)

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What is the hydroxide-ion concentration in a 0.20 M solution of Na2CO3? For carbonic acid, Ka1 = 4.2

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What is the equilibrium concentration of ammonium ion in a 0.33 M solution of ammonia (NH3, Kb = 1.8 × 10–5) at 25oC? An initially 1.0 M aqueous solution of a weak monoprotic acid has a total ion concentration of M when equilibrium is established. What is the acid-ionization constant, Ka, of the weak acid? (assume Ca/Ka ≥ 102) For the reaction ΔG°700K = –13.457 kJ. What is Kp for this reaction at 700. K?

A) A saturated solution of manganese(II) hydroxide was prepared, and an acid–base titration was performed to...

A) A saturated solution of manganese(II) hydroxide was prepared, and an acid–base titration was performed to determine its Ksp at 25 °C. The endpoint was reached when 55.00 mL of the manganese(II) hydroxide solution was titrated with 2.55 mL of 0.0050 M HCl solution. What is the Ksp of manganese(II) hydroxide? B) What is the approximate concentration of free Ag+ ion at equilibrium when 1.86×10-2 mol silver nitrate is added to 1.00 L of solution that is 1.330 M in...

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1) Consider the insoluble compound cobalt(II) carbonate , CoCO3. The cobalt(II) ion also forms a complex...

1) Consider the insoluble compound cobalt(II) carbonate , CoCO3. The cobalt(II) ion also forms a complex with ammonia . Write a balanced net ionic equation to show why the solubility of CoCO3(s) increases in the presence of ammonia and calculate the equilibrium constant for this reaction. For Co(NH3)62+, Kf = 1.3×105. Use the pull-down boxes to specify states such as (aq) or (s). Knet = 2) Consider the insoluble compound nickel(II) carbonate, NiCO3. The nickel ion also forms a complex...

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