Chapter 16: Q61 AP (page 692)
The precipitate of will not appear because.
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Calculate how many grams of silver chloride will dissolve in 1.0 L of a 1.0 M NH3 solution through formation of the complex ion Ag(NH3)2+.
Compare the molar solubility of Mg(OH)2 in pure water with that in a solution buffered at pH 9.00.
An aqueous solution at 25°C is 0.10 M in Ba2+ and 0.50 M in Ca2+ ions. We wish to separate the two by taking advantage of the different solubilities of their fluorides, BaF2 and CaF2 .
(a) What is the highest possible fluoride ion concentration that allows only one solid fluoride salt to be present at equilibrium? Which ion is present in the solid— Ba2+ or Ca2+ ?
(b) What fraction of the less soluble ion still remains in solution under the conditions of part (a)?
The pH of a 0.10 M solution of Ni(NO3)2 is 5.0. Calculate the acid ionization constant of Ni(H2O)62+ (aq).
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