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5.) Write balanced equations for the reactions between a metal (M) and hydrochloric acid (HCl) when the metal commonly adopts a.) the +3 oxidation state and b.) the +2 oxidation state.

Respuesta :

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Normally, when metals react with HCl, they from a chloride salt and hydrogen gas.
a) 2M + 6HCl → 2MCl₃ + 3H₂

b) M + 2HCl → MCl₂ + H₂

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