The solubility, s, of calcium carbonate, CaCO3 at 25 °C is [s] = 6.90 •10-5 The reaction is: CaCO3 (s) D Ca2+(aq) + CO32-(aq) a) Calculate the concentration of Ca2+ and CO32- at equilibrium. _____________________ [Ca2+] ___________________ [CO32-] b) Calculate the equilibrium constant for the dissolution reaction. (This equilibrium constant is also known as the solubility product, Ksp.) Keq (or Ksp)
The solubility, s, of calcium carbonate, CaCO3 at 25 °C is [s] = 6.90 •10-5 The reaction is: CaCO3 (s) D Ca2+(aq) + CO32-(aq) a) Calculate the concentration of Ca2+ and CO32- at equilibrium. _____________________ [Ca2+] ___________________ [CO32-] b) Calculate the equilibrium constant for the dissolution reaction. (This equilibrium constant is also known as the solubility product, Ksp.) Keq (or Ksp)
Chemistry & Chemical Reactivity
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Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria
Section17.6: Equilibria Involving Complex Ions
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The solubility, s, of calcium carbonate, CaCO3 at 25 °C is [s] = 6.90 •10-5 The reaction is: CaCO3 (s) D Ca2+(aq) + CO32-(aq)
a) Calculate the concentration of Ca2+ and CO32- at equilibrium.
_____________________ [Ca2+] ___________________ [CO32-]
b) Calculate the equilibrium constant for the dissolution reaction.
(This equilibrium constant is also known as the solubility product, Ksp.)
Keq (or Ksp) = ___________
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