a) CO2 + Ca(OH)2 → CaCO3↓ + H2O
b) \(n_{CO_2}=\dfrac{2,24}{22,4}=0,1\left(mol\right)\)
Theo PT: \(n_{CaCO_3}=n_{CO_2}=0,1\left(mol\right)\)
\(\Rightarrow m_{CaCO_3}=0,1\times100=10\left(g\right)\)
Theo PT: \(n_{H_2O}=n_{CO_2}=0,1\left(mol\right)\)
\(\Rightarrow m_{H_2O}=0,1\times18=1,8\left(g\right)\)
Khối lượng tạo thành là: \(10+1,8=11,8\left(g\right)\)
c) Theo PT: \(n_{Ca\left(OH\right)_2}=n_{CO_2}=0,1\left(mol\right)\)
\(\Rightarrow V_{ddCa\left(OH\right)_2}=\dfrac{0,1}{0,5}=0,2\left(l\right)\)
a) PTHH: CO2 + Ca(OH)2 → CaCO3↓ + H2O
b) \(n_{CO_2}=\dfrac{2,24}{22,4}=0,1\left(mol\right)\)
Theo PT: \(n_{CaCO_3}=n_{CO_2}=0,1\left(mol\right)\)
\(\Rightarrow m_{CaCO_3}=0,1\times100=10\left(g\right)\)
Theo PT: \(n_{H_2O}=n_{CO_2}=0,1\left(mol\right)\)
\(\Rightarrow m_{H_2O}=0,1\times18=1,8\left(g\right)\)
Khối lượng tạo thành là: \(10+1,8=11,8\left(g\right)\)
c) Theo PT: \(n_{Ca\left(OH\right)_2}=n_{CO_2}=0,1\left(mol\right)\)
\(\Rightarrow V_{ddCa\left(OH\right)_2}=\dfrac{0,1}{0,5}=0,2\left(l\right)=200\left(ml\right)\)