\(m_{ct}=\dfrac{7,3.300}{100}=21,9\left(g\right)\)
\(n_{HCl}=\dfrac{21,9}{36,5}=0,6\left(mol\right)\)
Pt : \(2Al+6HCl\rightarrow2AlCl_3+3H_2|\)
2 6 2 3
0,2 0,6 0,2 0,3
a) \(n_{Al}=\dfrac{0,6.2}{6}=0,2\left(mol\right)\)
⇒ \(m_{Al}=0,2.27=5,4\left(g\right)\)
b) \(n_{AlCl3}=\dfrac{0,6.2}{6}=0,2\left(mol\right)\)
⇒ \(m_{AlCl3}=0,2.133,5=26,7\left(g\right)\)
c) \(n_{H2}=\dfrac{0,2.3}{2}=0,3\left(mol\right)\)
\(V_{H2\left(dktc\right)}=0,3.22,4=6,72\left(l\right)\)
d) \(m_{ddspu}=5,4+300-\left(0,3.2\right)=304,8\left(g\right)\)
\(C_{AlCl3}=\dfrac{26,7.100}{304,8}=8,76\)0/0
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