Fe + 2HCl → FeCl2 + H2↑
\(n_{H_2}=\dfrac{10,08}{22,4}=0,45\left(mol\right)\)
Theo pT: \(n_{Fe}pư=n_{H_2}=0,45\left(mol\right)\)
\(\Rightarrow m_{Fe}pư=0,45\times56=25,2\left(g\right)\)
Theo PT: \(n_{HCl}=2n_{H_2}=2\times0,45=0,9\left(mol\right)\)
\(\Rightarrow C_{M_{HCl}}=\dfrac{0,9}{0,15}=6\left(M\right)\)
\(n_{H_2}=\dfrac{10,08}{22,4}=0,45\left(mol\right)\)
Fe + 2HCl → FeCl2 + H2
Theo pt: \(n_{Fe}pư=n_{H_2}=0,45\left(mol\right)\)
\(\Rightarrow m_{Fe}pư=0,45\times56=25,2\left(g\right)\)
Theo pt: \(n_{HCl}=2n_{H_2}=2\times0,45=0,9\left(mol\right)\)
\(\Rightarrow C_{M_{HCl}}=\dfrac{0,9}{0,15}=6\left(M\right)\)
số mol của H2= 10,08 : 22,4= (0,45)
Fe + 2HCl -----> FeCl2 + H2
=> nFe = 0,45*56= 25,2gam
150ml = 0,15l
=> nHCl = 0,45*2= 0,9(mol)
Chúc bạn học tốt!!!
=> CMHCl = 0,9 : 0,15= 6M
Theo pt: \(n_{HCl}=2n_{H_2}=2\times0,45=0,9\left(mol\right)\)
\(\Rightarrow C_{M_{HCl}}=\dfrac{0,9}{0,15}=6\left(M\right)\)
Theo pt: \(n_{Fe}pư=n_{H_2}=0,45\left(mol\right)\)
\(\Rightarrow m_{Fe}pư=0,45\times56=25,2\left(g\right)\)
số mol của H2= 10,08 : 22,4= (0,45)
Fe + 2HCl -----> FeCl2 + H2
=> nFe = 0,45*56= 25,2gam
150ml = 0,15l
=> nHCl = 0,45*2= 0,9(mol)
=> CMHCl = 0,9 : 0,15= 6( lít) = 600ml