Question

For the problem that follow, consider the reaction in which magnesium reacts with an HCl solution .
Mg(s) + 2HCl(aq) -> MgCl2 (aq) + H2(g)
If 2.00 g of Mg reacts completely with 50.0 mL of HCl solution, what is the molarity of the HCl solution?
A) 1.65 M
B) 80.0 M
C) 8.00 M
D) 0.823 M
E) 3.29 M

Answer

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