a. \(m_{Fe_3O_4}=n_{Fe_3O_4}.M_{Fe_3O_4}=0,05.232=11,6\left(g\right)\)
b. \(n_{SO_2}=\dfrac{V_{SO_2}}{22,4}=\dfrac{2,24}{22,4}=0,1\left(mol\right)\)
\(m_{SO_2}=n_{SO_2}.M_{SO_2}=0,1.64=6,4\left(g\right)\)
c. \(m_{NaCl}=n_{NaCl}.M_{NaCl}=2.58,5=117\left(g\right)\)
d. \(n_{H_2}=\dfrac{V_{H_2}}{22,4}=\dfrac{5,6}{22,4}=0,25\left(mol\right)\)
\(m_{H_2}=n_{H_2}.M_{H_2}=0,25.2=0,5\left(g\right)\)
a) \(m_{Fe_3O_4}=n_{Fe_3O_4}.M_{Fe_3O_4}\)
\(\Rightarrow m_{Fe_3O_4}=0,05.232=11,6\left(g\right)\)
b) \(n_{SO_2}=\dfrac{V_{SO_2}}{22,4}=\dfrac{2,24}{22,4}=0.1\left(mol\right)\)
\(\Rightarrow m_{SO_2}=n_{SO_2}.M_{SO_2}=0,1.64=6,4\left(g\right)\)
c)\(m_{NaCl}=n_{NaCl}.M_{NaCl}=2.58,5=117\left(g\right)\)
d)\(n_{H_2}=\dfrac{V_{H_2}}{22,4}=\dfrac{5,6}{22,4}=0,25\left(mol\right)\)
\(\Rightarrow m_{H_2}=n_{H_2}.M_{H_2}=0,25.2=0.5\left(g\right)\)