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Di antara senyawa berikut, yang memiliki kelarutan paling besar adalah….(dinyatakan dalam mol L -1 )

Di antara senyawa berikut, yang memiliki kelarutan paling besar adalah….(dinyatakan dalam mol L-1)

  1. BaCrO4 (Ksp = 1,2 x 10-10)

  2. BaSO4 (Ksp = 1,1 x 10-10)

  3. AgCl (Ksp = 1,8 x 10-10)

  4. Ag2CrO4 (Ksp = 1,1 x 10-12)

  5. CaF2 (Ksp = 3,4 x 10-11)

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M. Firdhaus

Master Teacher

Mahasiswa/Alumni Universitas Jember

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Pembahasan

Semakin besar harga kelarutan dari sebuah senyawa, maka semakin mudah larut dan semakin besar pula jumlah zat yang akan terlarut dalam air. Jadi kita bisa mencarinya satu persatu untuk menemukan kelarutan terbesar. Jadi kelarutan yang tertinggi adalah

Semakin besar harga kelarutan dari sebuah senyawa, maka semakin mudah larut dan semakin besar pula jumlah zat yang akan terlarut dalam air. Jadi kita bisa mencarinya satu persatu untuk menemukan kelarutan terbesar.

B a C r O subscript 4 space rightwards arrow over leftwards arrow B a to the power of plus 2 end exponent space plus space C r O subscript 4 to the power of negative 2 end exponent space space space space space left parenthesis j u m l a h space i o n space 2 right parenthesis K s p space equals space s squared s squared space equals space 1 comma 2 space x space 10 to the power of negative 10 end exponent s space equals space square root of 1 comma 2 space x space 10 to the power of negative 10 end exponent space end root s subscript B a C r O subscript 4 end subscript equals space 1 comma 09 space x space 10 to the power of negative 5 end exponent space m o l divided by L j a d i space k e l a r u tan space B a C r O subscript 4 space a d a l a h space 1 comma 09 space x space 10 to the power of negative 5 end exponent space m o l divided by L

 

B a S O subscript 4 space rightwards arrow over leftwards arrow B a to the power of plus 2 end exponent space plus space S O subscript 4 to the power of negative 2 end exponent space space space space space left parenthesis j u m l a h space i o n space 2 right parenthesis K s p space equals space s squared s squared space equals space 1 comma 1 space x space 10 to the power of negative 10 end exponent s space equals space square root of 1 comma 1 space x space 10 to the power of negative 10 end exponent space end root s subscript B a S O subscript 4 end subscript equals space 1 comma 05 space x space 10 to the power of negative 5 end exponent space m o l divided by L j a d i space k e l a r u tan space B a S O subscript 4 space a d a l a h space 1 comma 05 space x space 10 to the power of negative 5 end exponent space m o l divided by L

 

A g C l space rightwards arrow over leftwards arrow space A g to the power of plus space plus space C l to the power of minus space space space space space left parenthesis j u m l a h space i o n space 2 right parenthesis K s p space equals space s squared s squared space equals space 1 comma 8 space x space 10 to the power of negative 10 end exponent s space equals space square root of 1 comma 8 space x space 10 to the power of negative 10 end exponent space end root s subscript A g C l end subscript equals space 1 comma 34 space x space 10 to the power of negative 5 end exponent space m o l divided by L j a d i space k e l a r u tan space A g C l space a d a l a h space 1 comma 34 space x space 10 to the power of negative 5 end exponent space m o l divided by L

 

A g subscript 2 C r O subscript 4 space rightwards arrow over leftwards arrow space 2 space A g to the power of plus space plus space C r O subscript 4 to the power of negative 2 end exponent space space space space space left parenthesis j u m l a h space i o n space 3 right parenthesis K s p space equals space 4 s cubed 4 s cubed equals space 1 comma 1 space x space 10 to the power of negative 12 end exponent s space equals space cube root of fraction numerator 1 comma 1 space x space 10 to the power of negative 12 end exponent over denominator 4 end fraction end root s subscript A g subscript 2 C r O subscript 4 space end subscript end subscript equals space cube root of 0 comma 275 space x space 10 to the power of negative 12 end exponent end root s subscript A g subscript 2 C r O subscript 4 space end subscript end subscript equals space 0 comma 65 space x space 10 to the power of negative 4 end exponent space m o l divided by L s subscript A g subscript 2 C r O subscript 4 space end subscript end subscript equals space 6 comma 5 space x space 10 to the power of negative 5 end exponent space m o l divided by L  J a d i space k e l a r u tan space o l e h space A g subscript 2 C r O subscript 4 space a d a l a h space 6 comma 5 space x space 10 to the power of negative 5 end exponent space m o l divided by L

 

C a F subscript 2 space rightwards arrow over leftwards arrow space C a to the power of 2 plus end exponent space plus space 2 space F to the power of minus space space space space space left parenthesis j u m l a h space i o n space 3 right parenthesis K s p space equals space 4 s cubed 4 s cubed equals space 3 comma 4 space x space 10 to the power of negative 11 end exponent s space equals space cube root of fraction numerator 34 space x space 10 to the power of negative 12 end exponent over denominator 4 end fraction end root s subscript C a F subscript 2 end subscript equals space cube root of 8 comma 5 space x space 10 to the power of negative 12 end exponent end root s subscript blank subscript C a F subscript 2 end subscript end subscript equals space 2 comma 04 space x space 10 to the power of negative 4 end exponent space m o l divided by L J a d i space k e l a r u tan space o l e h space C a F subscript 2 space a d a l a h space 2 comma 04 space x space 10 to the power of negative 4 space end exponent m o l divided by L

 

Jadi kelarutan yang tertinggi adalah C a F subscript 2

 

 

 

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