ch 17 mislering assignment Adaptive folow-up next assignmentProblemID-81171061 s

Question

ch 17 mislering assignment Adaptive folow-up next assignmentProblemID-81171061 secure httpsilisession masteringchemistry.com/myct/itemview?offset pring 2017 CHM 122 050 uzmaternsatalanemaeaatse Metal Hydroxides Evaluating Completeness of Precipitation 1 Metal Hydrosides Evaluaring Part A Completeness The memoval of an ion is sometimes considered to be complete when its concentraton drops to 1.00 x 10 M What concentamon hydroxide would cause Ya" to completely soinen? of Preciptalion Express your answer with the appropriate units. The hydroede ion has tentarmul OH- The solubiny woduct constants to three generic are gwin here Value M 3.10 10 210 x 10 8.00 Incorrect: Try Again: 5attempts remaining Use these vaales to answer the Rank hem highest to lewett eation concentration. To rank items as equivalent overlap them. M concentration of hrdrocide would cause Y2- to completely precipitate from a solnon FIND ME A TUTOR ctrl

Explanation / Answer

Y(OH)2 <==> Y^2+ + 2OH-

Ksp = [Y^2+][OH-]^2

2.1*10^-30 = (1*10^-6)* [OH-]^2

or, [OH-] = 1.45*10^-12 M

At 1.45*10^-12 M concentration Y^2+ will be considered as completely removed from the solution.

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