Mg_(s) + 2HCl_(aq) → MgCl_2(aq) + H_2(g)
From the equation above, the mass of magnesium required to react with 250cm³ of 0.5M HCl is
[Mg = 24]

• A.0.3g
• B.1.5g
• C.2.4g
• D.3.0g
• E.