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Aluminium larut dalam larutan asam sulfat menghasilkan alumunium sulfat dan gas hidrogen. Persamaan reaksi setara

yang tepat pada peristiwa tersebut adalah...

 

  1. 2 space A l subscript space left parenthesis s right parenthesis end subscript space plus space 3 H subscript 2 S O subscript 4 subscript space left parenthesis a q right parenthesis end subscript space rightwards arrow A l subscript 2 left parenthesis S O subscript 4 right parenthesis subscript 3 subscript left parenthesis a q right parenthesis end subscript space plus space 3 H subscript 2 subscript left parenthesis g right parenthesis end subscript

  2. space A l subscript space left parenthesis s right parenthesis end subscript space plus space H subscript 2 S O subscript 4 subscript space left parenthesis a q right parenthesis end subscript space rightwards arrow A l left parenthesis S O subscript 4 right parenthesis subscript 3 subscript left parenthesis a q right parenthesis end subscript space plus space H subscript 2 subscript left parenthesis g right parenthesis end subscript

  3. 2 space A l subscript space left parenthesis s right parenthesis end subscript space plus space H subscript 2 S O subscript 4 subscript space left parenthesis a q right parenthesis end subscript space rightwards arrow A l subscript 2 left parenthesis S O subscript 4 right parenthesis subscript 3 subscript left parenthesis a q right parenthesis end subscript space plus space 3 H subscript 2 subscript left parenthesis g right parenthesis end subscript

  4. space A l subscript space left parenthesis s right parenthesis end subscript space plus space 3 H subscript 2 S O subscript 4 subscript space left parenthesis a q right parenthesis end subscript space rightwards arrow A l left parenthesis S O subscript 4 right parenthesis subscript 3 subscript left parenthesis a q right parenthesis end subscript space plus space 3 H subscript 2 subscript left parenthesis g right parenthesis end subscript

  5. 2 space A l subscript space left parenthesis s right parenthesis end subscript space plus space 3 H subscript 2 S O subscript 4 subscript space left parenthesis a q right parenthesis end subscript space rightwards arrow 2 space A l left parenthesis S O subscript 4 right parenthesis subscript 3 subscript left parenthesis a q right parenthesis end subscript space plus space 3 H subscript 2 subscript left parenthesis g right parenthesis end subscript

S. Utari

Master Teacher

Mahasiswa/Alumni Universitas Negeri Medan

Jawaban terverifikasi

Pembahasan

Setelah disetarakan, reaksi menjadi : 

2 Al (s) + 3 H2SO4 (aq)  rightwards arrowAl2(SO4)3 (aq) + 3 H2O (l)

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