Pertanyaan

Laju reaksi awal suatu reaksi orde dua yaitu 5 , 0 × 1 0 − 7 mol L − 1 s − 1 . Konsentrasi awal dari pereaksinya 0 , 2 mol L − 1 . Tetapan konsentrasi laju reaksinya adalah ....

Laju reaksi awal suatu reaksi orde dua yaitu . Konsentrasi awal dari pereaksinya . Tetapan konsentrasi laju reaksinya adalah ....

  1. begin mathsize 14px style 1 comma 0 cross times 10 to the power of negative sign 7 end exponent space mol to the power of negative sign 1 end exponent space L space s to the power of negative sign 1 end exponent end style 

  2. begin mathsize 14px style 1 comma 25 cross times 10 to the power of negative sign 5 end exponent space mol to the power of negative sign 1 end exponent space L space s to the power of negative sign 1 end exponent end style 

  3. begin mathsize 14px style 1 comma 8 cross times 10 to the power of negative sign 5 end exponent space mol to the power of negative sign 1 end exponent space L space s to the power of negative sign 1 end exponent end style 

  4. begin mathsize 14px style 2 comma 0 cross times 10 to the power of negative sign 4 end exponent space mol to the power of negative sign 1 end exponent space L space s to the power of negative sign 1 end exponent end style 

  5. begin mathsize 14px style 2 comma 5 cross times 10 to the power of negative sign 4 end exponent space mol to the power of negative sign 1 end exponent space L space s to the power of negative sign 1 end exponent end style 

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Jawaban terverifikasi

Jawaban

jawaban yang benar adalah B.

jawaban yang benar adalah B. 

Pembahasan

Nilai tetapan konsentrasi laju reaksi dapat kita hitung menggunakan persamaan laju reaksi sebagaiberikut: Jadi, jawaban yang benar adalah B.

Nilai tetapan konsentrasi laju reaksi dapat kita hitung menggunakan persamaan laju reaksi sebagai berikut:

table attributes columnalign right center left columnspacing 0px end attributes row cell v space end cell equals cell space k space open square brackets X close square brackets squared end cell row cell 5 comma 0 cross times 10 to the power of negative sign 7 end exponent space mol middle dot L to the power of negative sign 1 end exponent middle dot s to the power of negative sign 1 end exponent end cell equals cell space k space open parentheses 0 comma 2 space mol middle dot L to the power of negative sign 1 end exponent close parentheses squared end cell row cell k space end cell equals cell space fraction numerator 5 comma 0 cross times 10 to the power of negative sign 7 end exponent space mol middle dot L to the power of negative sign 1 end exponent middle dot s to the power of negative sign 1 end exponent over denominator open parentheses 0 comma 2 space mol middle dot L to the power of negative sign 1 end exponent close parentheses squared end fraction end cell row cell k space end cell equals cell space fraction numerator 5 comma 0 cross times 10 to the power of negative sign 7 end exponent space mol middle dot L to the power of negative sign 1 end exponent middle dot s to the power of negative sign 1 end exponent over denominator 0 comma 04 space mol squared middle dot L to the power of negative sign 2 end exponent end fraction end cell row cell k space end cell equals cell space fraction numerator 5 comma 0 cross times 10 to the power of negative sign 7 end exponent space mol to the power of negative sign 1 end exponent middle dot L middle dot s to the power of negative sign 1 end exponent over denominator 4 cross times 10 to the power of negative sign 2 end exponent space end fraction end cell row cell k space end cell equals cell space 1 comma 25 cross times 10 to the power of negative sign 5 end exponent space mol to the power of negative sign 1 end exponent middle dot L middle dot s to the power of negative sign 1 end exponent end cell end table   

Jadi, jawaban yang benar adalah B. 

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Pertanyaan serupa

Diketahui suatu reaksi memiliki persamaan laju reaksi sebagai berikut : v = k [C] [D] Satuan konstanta laju reaksi dari persamaan laju reaksi tersebut adalah…

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