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Aluminium larut dalam larutan asam sulfat menghasilkan larutan aluminium sulfat dan gas hidrogen. Persamaan reaksi setara yang tepat pada peristiwa tersebut adalah ...

  1. 2 Al space left parenthesis straight s right parenthesis space plus 3 space straight H subscript 2 SO subscript 4 space subscript left parenthesis aq right parenthesis end subscript space rightwards arrow space Al subscript 2 left parenthesis SO subscript 4 right parenthesis subscript 3 space left parenthesis aq right parenthesis end subscript space plus space 3 space straight H subscript 2 subscript space left parenthesis straight g right parenthesis end subscript

  2. Al space left parenthesis straight s right parenthesis space plus space straight H subscript 2 SO subscript 4 space subscript left parenthesis aq right parenthesis end subscript space rightwards arrow space Al subscript 2 left parenthesis SO subscript 4 right parenthesis subscript 3 space left parenthesis aq right parenthesis end subscript space plus space straight H subscript 2 subscript space left parenthesis straight g right parenthesis end subscript

  3. 2 Al space left parenthesis straight s right parenthesis space plus space straight H subscript 2 SO subscript 4 space subscript left parenthesis aq right parenthesis end subscript space rightwards arrow space Al subscript 2 left parenthesis SO subscript 4 right parenthesis subscript 3 space left parenthesis aq right parenthesis end subscript space plus space 3 space straight H subscript 2 space left parenthesis straight g right parenthesis end subscript

  4. Al space left parenthesis straight s right parenthesis space plus space 3 space straight H subscript 2 SO subscript 4 space subscript left parenthesis aq right parenthesis end subscript space rightwards arrow space Al left parenthesis SO subscript 4 right parenthesis subscript 3 space left parenthesis aq right parenthesis end subscript space plus space 3 space straight H subscript 2 space left parenthesis straight g right parenthesis end subscript

  5. 2 Al space left parenthesis straight s right parenthesis space plus space 3 space straight H subscript 2 SO subscript 4 space subscript left parenthesis aq right parenthesis end subscript space rightwards arrow space 2 space Al left parenthesis SO subscript 4 right parenthesis subscript 3 space left parenthesis aq right parenthesis end subscript space plus space 3 space straight H subscript 2 subscript space left parenthesis straight g right parenthesis end subscript

S. Utari

Master Teacher

Mahasiswa/Alumni Universitas Negeri Medan

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Pembahasan

Persamaan reaksi yang sesuai dengan soal adalah :
2 Al space left parenthesis straight s right parenthesis space plus 3 space straight H subscript 2 SO subscript 4 space subscript left parenthesis aq right parenthesis end subscript space rightwards arrow space Al subscript 2 left parenthesis SO subscript 4 right parenthesis subscript 3 space left parenthesis aq right parenthesis end subscript space plus space 3 space straight H subscript 2 subscript space left parenthesis straight g right parenthesis end subscript

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