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Dalam ruang 1 L terdapat reaksi kesetimbangan: A + B ⇄ C + D Dari reaksi tersebu diperoleh data sebagai berikut: Keadaan mol/L A mol/L B mol/L C mol/L D 1. Mula-mula 1 1 - - 2. Pereaksi 0,8 0,8 0,8 0,8 3. Setimbang 0,2 0,2 0,8 0,8 Harga tetapan kesetimbangan (Kc) reaksi tersebut adalah ....

Dalam ruang 1 L terdapat reaksi kesetimbangan:

Dari reaksi tersebu diperoleh data sebagai berikut:

Keadaan

mol/L

A

mol/L

B

mol/L

C

mol/L

D

1. Mula-mula

1

1

-

-

2. Pereaksi

0,8

0,8

0,8

0,8

3. Setimbang

0,2

0,2

0,8

0,8

Harga tetapan kesetimbangan (Kc) reaksi tersebut adalah ....

 

  1. Kc space equals space fraction numerator left parenthesis 0 comma 8 right parenthesis over denominator left parenthesis 0 comma 2 right parenthesis end fraction

  2. Kc space equals space fraction numerator left parenthesis 0 comma 2 right parenthesis over denominator left parenthesis 0 comma 8 right parenthesis end fraction

  3. Kc space equals space fraction numerator left parenthesis 0 comma 2 right parenthesis left parenthesis 0 comma 8 right parenthesis over denominator left parenthesis 0 comma 2 right parenthesis left parenthesis 0 comma 8 right parenthesis end fraction

  4. Kc space equals space fraction numerator left parenthesis 0 comma 2 right parenthesis squared over denominator left parenthesis 0 comma 8 right parenthesis squared end fraction

  5. Kc space equals space fraction numerator left parenthesis 0 comma 8 right parenthesis squared over denominator left parenthesis 0 comma 2 right parenthesis squared end fraction

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S. Utari

Master Teacher

Mahasiswa/Alumni Universitas Negeri Medan

Jawaban terverifikasi

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Pembahasan

space for straight S equals space of space space space space straight A with 0 comma 2 space mol divided by straight L below space plus space straight B with 0 comma 2 space mol divided by straight L below space left right arrow space straight C with 0 comma 8 space mol divided by straight L below space plus space straight D with 0 comma 8 space mol divided by straight L below    Kc equals fraction numerator italic left square bracket p r o d u k italic right square bracket to the power of k o e f i s i e n end exponent over denominator italic left square bracket r e a k italic tan italic right square bracket to the power of k o e f i s i e n end exponent end fraction equals fraction numerator italic left square bracket C italic right square bracket to the power of italic 1 italic cross times italic left square bracket D italic right square bracket to the power of italic 1 over denominator italic left square bracket A italic right square bracket to the power of italic 1 italic left square bracket B italic right square bracket to the power of italic 1 end fraction equals fraction numerator italic left square bracket italic 0 italic comma italic 8 italic right square bracket to the power of italic 1 italic cross times italic left square bracket italic 0 italic comma italic 8 italic right square bracket to the power of italic 1 over denominator italic left square bracket italic 0 italic comma italic 2 italic right square bracket to the power of italic 1 italic left square bracket italic 0 italic comma italic 2 italic right square bracket to the power of italic 1 end fraction

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