1.

In the reaction : 2Al_((s)) + 6 HCl_((aq)) rarr 2Al_((aq))^(3+) + 6 C bar(l)_((aq)) + 3H_(2(g))

Answer»

`6L HCL_((aq))`is consumed for every 3L `H_(2)`produced.
33.6 mL `H_(2(G))` is produced regardless of temperature and pressure for every MOLE Al that reacts.
67.2 `H_(2(g))` at STP is produced for evey mole Al that reacts.
11.2 L `H_(2(g))` at STP is produced for every mole `HCl_((aq))`consumed.

Solution :`2Al_((s)) + 6 HCl_((aq)) RARR 2Al_((aq))^(3+) + 6 C bar(l)_((aq)) + 3 H_(2(g))`
6 mole HCL reacts to produce3 mole `H_(2)`
6 mole HCl reacts to produce `3 xx22.4 L H_(2)` at STP
`:.` 1 mole HCl reacts to produce `11.2L xx L H_(2)` at STP


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