17
AssignmentMultiple Choice
Writing and Balancing Chemical Equations
Question 17 • IA-Chemistry A Survey of Chemistry A
Aqueous magnesium chloride and hydrogen gas are produced when solid magnesium reacts with aqueous hydrochloric acid (HCl). What is the equation for this reaction? Note: You do not need to balance the equation.
Answer
A
Mg(s) + HCl(aq) MgCl(aq) + H(g)
B
MgCl(aq) + H(g) Mg(s) + HCl(aq)
C
Mg(s) + HCl(aq) MgCl2(aq) + H2(g)
D
MgCl2(aq) + H2(g) Mg(s) + HCl(aq)