\(n_{SO2}=\dfrac{3,36}{22,4}=0,15\left(mol\right)\)
a) \(2Al+6H_2SO_{4đặc}\underrightarrow{t^o}Al_2\left(SO_4\right)_3+3SO_2+6H_2O|\)
2 6 1 3 6
0,1 0,15
b) \(n_{Al}=\dfrac{0,15.2}{3}=0,1\left(mol\right)\)
⇒ \(m_{Al}=0,1.27=2,7\left(g\right)\)
Chúc bạn học tốt
\(a,PTHH:2Al+6H_2SO_{4\left(đ,n\right)}\rightarrow Al_2\left(SO_4\right)_3+6H_2O+3SO_2\uparrow\\ b,n_{SO_2}=\dfrac{3,36}{22,4}=0,15\left(mol\right)\\ \Rightarrow n_{Al}=\dfrac{2}{3}n_{SO_2}=0,1\left(mol\right)\\ \Rightarrow m_{Al}=0,1\cdot27=2,7\left(g\right)\)