nAl = 2,7/27 = 0,1 (mol)
PTHH: 2Al + 3Cl2 -> (t°) 2AlCl3
Mol: 0,1 ---> 0,15 ---> 0,1
VCl2 = 0,15 . 22,4 = 3,36 (l)
mAlCl3 = 0,1 . 133,5 = 13,35 (g)
a/
2Al+3Cl2 --(t^o)--> 2AlCl3
\(nAl=\dfrac{2,7}{27}=0,1\left(mol\right)\)
=> \(nCl_2=\dfrac{3}{2}.0,1=0,15\left(mol\right)\)
\(VCl_2=0,15.22,4=3,36\left(lít\right)\)
c, \(nAlCl_3=nAl=0,1\left(mol\right)\)
\(mAlCl_3=0,1.133,5=13,35\left(g\right)\)