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Diketahui , kelarutan dalam larutan sebesar ....

Pertanyaan

Diketahui begin mathsize 14px style K subscript sp space Ag Cl equals 1 cross times 10 to the power of negative sign 10 end exponent end style, kelarutan begin mathsize 14px style Ag Cl end style dalam larutan begin mathsize 14px style Na Cl space 0 comma 1 space M end style sebesar ....

  1. begin mathsize 14px style 10 to the power of negative sign 4 end exponent space mol forward slash L end style

  2. begin mathsize 14px style 10 to the power of negative sign 5 end exponent space mol forward slash L end style

  3. begin mathsize 14px style 10 to the power of negative sign 6 end exponent space mol forward slash L end style

  4. begin mathsize 14px style 10 to the power of negative sign 8 end exponent space mol forward slash L end style

  5. begin mathsize 14px style 10 to the power of negative sign 9 end exponent space mol forward slash L end style

Pembahasan Soal:

Pengaruh ion senama dapat menurunkan kelarutan suatu larutan garam sukar larut. Perhatikan larutan begin mathsize 14px style Ag Cl end style pada soal dilarutkan pada begin mathsize 14px style Na Cl end style yang memiliki ion senama begin mathsize 14px style Cl to the power of minus sign end style

begin mathsize 14px style Na Cl left parenthesis italic a italic q right parenthesis yields Na to the power of plus sign left parenthesis italic a italic q right parenthesis plus Cl to the power of minus sign left parenthesis italic a italic q right parenthesis space 0 comma 1 space M space space space space space space space space 0 comma 1 space M space space space space space space space space 0 comma 1 space M end style 

 begin mathsize 14px style Ag Cl left parenthesis italic a italic q right parenthesis equilibrium Ag to the power of plus sign left parenthesis italic a italic q right parenthesis plus Cl to the power of minus sign left parenthesis italic a italic q right parenthesis end style

Maka kelarutan begin mathsize 14px style Ag Cl end style dalam begin mathsize 14px style Na Cl end style dapat dicari sebagai berikut. Konsentrasi ion begin mathsize 14px style Cl to the power of minus sign end style diambil dari begin mathsize 14px style Na Cl end style.

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell K subscript sp space Ag Cl end cell equals cell open square brackets Ag to the power of plus sign close square brackets open square brackets Cl to the power of minus sign close square brackets end cell row cell 10 to the power of negative sign 10 end exponent end cell equals cell open square brackets Ag close square brackets left parenthesis 0 comma 1 right parenthesis end cell row cell open square brackets Ag close square brackets end cell equals cell 10 to the power of negative sign 10 end exponent over 10 to the power of negative sign 1 end exponent end cell row cell open square brackets Ag close square brackets end cell equals cell 10 to the power of negative sign 9 end exponent end cell end table end style 

Jadi, jawaban yang benar adalah E.

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 12 Februari 2021

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