Write a fully balanced equation for each of the following cases:
(a) Red lead is warmed with concentrated hydrochloric acid.
(b) Magnesium metal is treated with dilute hydrochloric acid.

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Solution

(a) The reaction between red lead and concentrated hydrochloric acid is given below:

Pb₃O₄(s)+ 8HCl (aq) → 3PbCl₂(aq) + 4H₂O (l) + Cl₂(g)
Trilead Lead chloride
tetroxide
(red)

(b) The reaction between magnesium and dilute hydrochloric acid is given below:

Mg(s) + 2HCl (aq) → MgCl₂(aq) + H₂(g)
Magnesium Magnesium chloride

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Write a fully balanced equation for each of the following cases: (a) Red lead is warmed with concentrated hydrochloric acid. (b) Magnesium metal is treated with dilute hydrochloric acid.

Write a fully balanced equation for each of the following cases:
(a) Red lead is warmed with concentrated hydrochloric acid.
(b) Magnesium metal is treated with dilute hydrochloric acid.