Questions 13-15 refer to the information below. A $$\(0.50 \mathrm{~g}\)$$ sample of $$\(\mathrm{Mg}(s)\)$$ was placed in a solution of $$\(\mathrm{HCl}(\mathrm{aq})\)$$, where it reacted completely. Which of the following equations best represents the reacting species in the reaction described above?
A.
\(\mathrm{Mg}(s)+2 \mathrm{H}^{+}(a q) \rightarrow \mathrm{Mg}^{2+}(a q)+\mathrm{H}_{2}(g)\)
B.
\(\mathrm{Mg}(s)+\mathrm{HCl}(a q) \rightarrow \operatorname{MgCl}_{2}(a q)+\mathrm{H}_{2}(g)\)
C.
\(\mathrm{Mg}(s)+2 \mathrm{HCl}(a q) \rightarrow \mathrm{MgCl}_{2}(s)+2 \mathrm{H}^{+}(a q)\)
D.
\(\mathrm{Mg}(s)+2 \mathrm{HCl}(a q) \rightarrow \mathrm{Mg}^{2+}(a q)+\mathrm{Cl}_{2}(g)+\mathrm{H}_{2}(g)\)
Exam No：Sample Exam Questions Year：2024 Question No：APChemistry2024AP0013
Answer:
A
Knowledge points:
4.2 Net Ionic Equations
Solution:
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