a) \(n_{H2}=\dfrac{4,48}{22,4}=0,2\left(mol\right)\)
b) Pt : \(Fe+2HCl\rightarrow FeCl_2+H_2|\)
1 2 1 1
0,2 0,4
c) \(n_{Fe}=\dfrac{0,2.1}{1}=0,2\left(mol\right)\)
⇒ \(m_{Fe}=0,2.56=11,2\left(g\right)\)
d) \(n_{HCl}=\dfrac{0,2.2}{1}=0,4\left(mol\right)\)
⇒ \(m_{HCl}=0,4.36,5=14,6\left(g\right)\)
\(m_{ddspu}=11,2+100-\left(0,2.2\right)=110,8\left(g\right)\)
\(C_{ddHCl}=\dfrac{14,6.100}{110,8}=13,18\)0/0
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