determine the volume of hydrogen gas produced at stp,when 2g piece of aluminium completely reacts in 2al+3h2so4=al2(so4)3+3h2
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nH2=3/2x nAl =3/2 x 2/27=1/9(mol)
---> VH2= 1/9 x22,4=112,45(l)
---> VH2= 1/9 x22,4=112,45(l)
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