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Chemistry, 27.11.2019 05:31 chalowiee1570
Aprecipitation reaction is caused by mixing 100. ml of 0.25 m k2cr2o7 solution with 100. ml of 0.25 m pb(no3)2 solution. when the precipitate forms, it is filtered from the mixture. which describes the changes in concentration of the spectator ions k+ and no3- in the reaction mixture as the reaction occurs? k+ is doubled, no3- halvedneither is affectedboth are doubledk+ is halved, no3- halved
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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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Aprecipitation reaction is caused by mixing 100. ml of 0.25 m k2cr2o7 solution with 100. ml of 0.25...
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