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Pertanyaan

Jika K sp ​ PbI 2 ​ = x , nyatakan kelarutannya dalam x!

Jika , nyatakan kelarutannya dalam x!space  

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kelarutan adalah .

kelarutan Pb I subscript bold 2 adalah table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell root index bold 3 of italic x over bold 4 end root end cell end table.space 

Pembahasan

Jadi kelarutan adalah .

misal space kelarutan space Pb I subscript 2 equals italic y  Pb I subscript 2 open parentheses italic s close parentheses rightwards harpoon over leftwards harpoon Pb to the power of 2 plus sign left parenthesis italic a italic q right parenthesis plus 2 I to the power of minus sign left parenthesis italic a italic q right parenthesis space space space space space italic y italic space italic space italic space italic space italic space italic space italic space italic space italic space italic space italic y italic space italic space italic space italic space italic space italic space italic space italic space italic space italic space italic space italic space italic space italic space italic space italic space italic 2 italic y 

table attributes columnalign right center left columnspacing 0px end attributes row cell K subscript italic s italic p end subscript italic space Pb I subscript italic 2 end cell equals cell open square brackets Pb to the power of 2 plus sign close square brackets to the power of 1 open square brackets I to the power of minus sign close square brackets squared end cell row x equals cell open square brackets y close square brackets to the power of 1 open square brackets 2 y close square brackets squared end cell row x equals cell 4 y cubed end cell row y equals cell cube root of x over 4 end root end cell row blank blank blank end table  

Jadi kelarutan Pb I subscript bold 2 adalah table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell root index bold 3 of italic x over bold 4 end root end cell end table.space 

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