Respuesta :

edavil1437

Answer:

REACTION 2

Explanation:

BEACUSE IT SYA IN THE QUESTION

Answer:

Reaction 1: Mg(s) + 2HCl(aq)  -> MgCl2(aq) + H2(g)

Reaction 2: MgO(s) + 2HCl(aq) -> MgCl2(aq) + H2O(l)

Reaction 3: H2(g) + ½ O2(g) -> H2O(l)

Explanation: