C + O2 ➝ CO2
Khối lượng cacbon trong 2kg than đá là:
\(m_C=2\times96\%=1,92\left(kg\right)=1920g\)
\(n_C=\dfrac{1920}{12}=160\left(mol\right)\)
Theo PT: \(n_{O_2}=n_C=160\left(mol\right)\)
\(\Rightarrow V_{O_2}=160\times22,4=3584\left(l\right)\)
C + O2 ➝ CO2
\(m_C=2\times96\%=1,92\left(kg\right)=1920\left(g\right)\)
\(\Rightarrow n_C=\dfrac{1920}{12}=160\left(mol\right)\)
Theo PT: \(n_{O_2}=n_C=160\left(mol\right)\)
\(\Rightarrow V_{O_2}=160\times22,4=3584\left(l\right)\)