Multiple Choice
Magnesium metal (0.100 mol) and a volume of aqueous hydrochloric acid that contains 0.500 mol of HCl are combined and react to completion. How many liters of hydrogen gas, measured at STP, are produced? Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g)
A) 2.24 L of H 2
B) 4.48 L of H 2
C) 5.60 L of H 2
D) 11.2 L of H 2
E) 22.4 L of H 2
Correct Answer:

Verified
Correct Answer:
Verified
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