Which of these equations is a balanced chemical equation
Chapter 8, Problem 8.1.135(choose chapter or problem)
Which of these equations is a balanced chemical equation for the reaction described above? A. Mg(s) + HCl(aq) MgCl2(aq) + H2(g) + energy B. Mg(s) + 2HCl(aq) + energy MgCl2(aq) + H2(g) C. Mg(s) + 2HCl(aq) MgCl2(aq) + H2(g) + energy D. 2Mg(s) + 2HCl(aq) 2MgCl2(aq) + H2(g) + energy
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