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kymy_rose00 Group Title

21. In order for the reaction 2Al + 6HCl 2AlCl3 + 3H2 to occur, which of the following must be true? (1 point) Al must be above Cl on the activity series. Al must be above H on the activity series. Heat must be supplied for the reaction. A precipitate must be formed.

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    Al must be above H on the activity series.

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