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Answer to Question #139761 in General Chemistry for Javier
Question #139761
What volume of hydrogen at STP is released when 8.35 g Mg reacts? (Assume that the amount of HCl is enough for the reaction.)
Expert's answer
Mg+2HCl=MgCl2+H2
n(H2)=n(Mg)=8.35/24.3=0.344 mol
V(H2) = 0.334*22.4 = 7.70 l
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