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Setarakan persamaan reaksi berikut ini! KI ( s ) + H 2 ​ SO 4 ​ ( a q ) → K 2 ​ SO 4 ​ ( a q ) + SO 2 ​ ( g ) + I 2 ​ ( g ) + H 2 ​ O ( l )

Setarakan persamaan reaksi berikut ini!

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V. Seftari

Master Teacher

Mahasiswa/Alumni Universitas Pendidikan Indonesia

Jawaban terverifikasi

Jawaban

reaksi setaranya adalah

reaksi setaranya adalah  Error converting from MathML to accessible text.

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Pembahasan

Langkah 1: membuat pemisalan angka koefisien Langkah 2: menentukan angka koefisien misal a = 1 K : I : H : S : O : Jadi, Langkah 3 menuliskan reaksi setara Jika angka koefisien dikalikan dua, persamaan reaksi menjadi : Dengan demikian, reaksi setaranya adalah

Langkah 1: membuat pemisalan angka koefisien

begin mathsize 12px style italic a K I open parentheses italic s close parentheses and italic b H subscript 2 S O subscript 4 left parenthesis italic a italic q right parenthesis yields italic c K subscript 2 S O subscript 4 left parenthesis italic a italic q right parenthesis plus italic d S O subscript 2 open parentheses italic g close parentheses and italic e I subscript 2 open parentheses italic g close parentheses and italic f H subscript 2 O open parentheses italic l close parentheses end style


Langkah 2: menentukan angka koefisien

misal a = 1

K :

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row a equals cell 2 c end cell row 1 equals cell 2 c end cell row c equals cell begin inline style 1 half end style end cell end table end style 


I : 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row a equals cell 2 e end cell row 1 equals cell 2 e end cell row e equals cell begin inline style 1 half end style end cell end table end style 


H :

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell 2 b end cell equals cell 2 f end cell row b equals f end table end style 


S : 

begin mathsize 14px style b double bond c and d end style


O : 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell 4 b end cell equals cell 4 c and 2 d and f end cell row cell 4 b end cell equals cell 4 c and 2 d and b end cell row cell 4 b bond b end cell equals cell 4 c and 2 d end cell row cell 3 b end cell equals cell 4 c and 2 d end cell row cell 3 left parenthesis c and d right parenthesis end cell equals cell 4 c and 2 d end cell row cell 3 c and 3 d end cell equals cell 4 c and 2 d end cell row cell 3 d minus sign 2 d end cell equals cell 4 c minus sign 3 c end cell row d equals c row d equals cell begin inline style 1 half end style end cell end table end style 


Jadi,

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row b equals cell c and d end cell row b equals cell begin inline style 1 half end style plus begin inline style 1 half end style end cell row b equals cell begin inline style 1 end style end cell end table end style


begin mathsize 14px style b double bond f f equals 1 end style 


Langkah 3 menuliskan reaksi setara

begin mathsize 12px style K I open parentheses italic s close parentheses and H subscript 2 S O subscript 4 left parenthesis italic a italic q right parenthesis rightwards arrow begin inline style 1 half end style K subscript 2 S O subscript 4 left parenthesis italic a italic q right parenthesis plus begin inline style 1 half end style S O subscript 2 open parentheses italic g close parentheses plus begin inline style 1 half end style I subscript 2 open parentheses italic g close parentheses and H subscript 2 O open parentheses italic l close parentheses end style 

Jika angka koefisien dikalikan dua, persamaan reaksi menjadi :

begin mathsize 12px style 2 K I open parentheses italic s close parentheses plus begin inline style 2 end style H subscript 2 S O subscript 4 left parenthesis italic a italic q right parenthesis yields K subscript 2 S O subscript 4 left parenthesis italic a italic q right parenthesis plus S O subscript 2 open parentheses italic g close parentheses and I subscript 2 open parentheses italic g close parentheses and 2 H subscript 2 O open parentheses italic l close parentheses end style  


Dengan demikian, reaksi setaranya adalah  Error converting from MathML to accessible text.

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