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Pertanyaan

Apabila dalam suatu larutan jenuh PbCl 2 ​ terdapat ion Cl − dengan konsentrasi 2 × 1 0 − 4 mol / L , hitunglah hasil kali kelarutan K sp ​ PbCl 2 ​ .

Apabila dalam suatu larutan jenuh  terdapat ion  dengan konsentrasi , hitunglah hasil kali kelarutan

  1. ... undefined 

  2. ... undefined 

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Y. Rochmawatie

Master Teacher

Jawaban terverifikasi

Jawaban

adalah .

begin mathsize 14px style K subscript italic s italic p end subscript bold space Pb Cl subscript bold 2 end style adalah begin mathsize 14px style bold 4 bold cross times bold 10 to the power of bold minus sign bold 12 end exponent end style.

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Pembahasan

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Jadi, adalah .

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell Pb Cl subscript 2 end cell rightwards harpoon over leftwards harpoon cell Pb to the power of 2 plus sign and 2 Cl to the power of minus sign end cell row blank blank cell space space space space space space space space space space space space space 10 to the power of negative sign 4 end exponent space space space space 2 cross times 10 to the power of negative sign 4 end exponent end cell row blank blank blank end table end style

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell K subscript italic s italic p end subscript end cell equals cell open square brackets Pb to the power of 2 plus sign close square brackets open square brackets Cl to the power of minus sign close square brackets squared end cell row blank equals cell open parentheses 10 to the power of negative sign 4 end exponent close parentheses open parentheses 2 cross times 10 to the power of negative sign 4 end exponent close parentheses squared end cell row blank equals cell 4 cross times 10 to the power of negative sign 12 end exponent end cell end table end style

 

Jadi, begin mathsize 14px style K subscript italic s italic p end subscript bold space Pb Cl subscript bold 2 end style adalah begin mathsize 14px style bold 4 bold cross times bold 10 to the power of bold minus sign bold 12 end exponent end style.

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Silvia Reva

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