Aqueous Hydrochloric Acid Reacts with Magnesium to Produce Hydrogen Gas $\to$

question 27

Multiple Choice

Aqueous hydrochloric acid reacts with magnesium to produce hydrogen gas according to the balanced equation below.
2 HCl(aq) + Mg(s) $\to$ MgCl₂(aq) + H₂(g)
If 250.0 mL of 3.00 M HCl is combined with 9.92 g Mg,what volume of hydrogen gas can be produced? Assume the temperature and pressure of the gas are 25 ^$\circ$ C and 0.988 atm,respectively.(R = 0.08206 L.atm/mol.K)

• A) 4.60 L
• B) 5.05 L
• C) 9.28 L
• D) 10.1 L
• E) 18.6 L

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