Roboguru

Jika konsentrasi  adalah  M, maka besarnya  adalah ....

Pertanyaan

Jika konsentrasi Ca F subscript 2 adalah 2 cross times 10 to the power of negative sign 4 end exponent M, maka besarnya K subscript sp adalah ....

Pembahasan Soal:

Ionisasi Ca F subscript 2 dalam larutan adalah:

space space Ca F subscript 2 space space rightwards arrow space space Ca blank to the power of 2 plus end exponent space space plus space space 2 F to the power of minus sign 2 cross times 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 space space 4 cross times 10 to the power of negative sign 4 end exponent 


Ksp Ca F subscript 2 adalah:

table attributes columnalign right center left columnspacing 0px end attributes row cell K subscript sp end cell equals cell open square brackets Ca to the power of 2 plus sign close square brackets cross times open square brackets F to the power of minus sign close square brackets squared end cell row blank equals cell left parenthesis 2 cross times 10 to the power of negative sign 4 end exponent right parenthesis cross times left parenthesis 4 cross times 10 to the power of negative sign 4 end exponent right parenthesis squared space end cell row blank equals cell 3 comma 2 cross times 10 to the power of negative sign 11 end exponent end cell end table  

Jadi, Ksp larutan Ca F subscript bold 2 tersebut adalah bold 3 bold comma bold 2 bold cross times bold 10 to the power of bold minus sign bold 11 end exponent.
 

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 19 Mei 2021

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