Chemistry, 13.09.2019 04:20 ashtor1943
If you had a 0.650 l solution containing 0.0120 m of zn2+(aq), and you wished to add enough 1.34 m naoh(aq) to precipitate all of the metal, what is the minimum amount of the naoh(aq) solution you would need to add? assume that the naoh(aq) solution is the only source of oh−(aq) for the precipitation.
Answers: 3
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Using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 pb+2(aq) + 2cl -(aq). if the value of ksp was determined to be only 1.2 x 10-2: too much solid has dissolved. additional precipitate is forming. the solution is unsaturated. the ions are now combining to reduce their concentrations.
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If you had a 0.650 l solution containing 0.0120 m of zn2+(aq), and you wished to add enough 1.34 m n...
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