\(a.n_{CO_2}=\dfrac{6,72}{22,4}=0,3\left(mol\right)\\ \Rightarrow m_{CO_2}=44.0,3=13,2\left(g\right)\\ n_{Cl_2}=\dfrac{1,344}{22,4}=0,06\left(mol\right)\\ \Rightarrow m_{Cl_2}=71.0,06=4,26\left(g\right)\\ b.m_{Na_2O}=62.0,32=19,84\left(g\right)\\ m_{CaCO_3}=100.1,44=144\left(g\right)\)
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a) \(n_{CO_2\left(đktc\right)}=\dfrac{6,72}{22,4}=0,3\left(mol\right)\)
\(m_{CO_2}=0,3.44=13,2\left(g\right)\)
\(n_{Cl_2}=\dfrac{1,344}{22,4}=0,06\left(mol\right)\)
\(m_{Cl_2}=0,06.71=4,26\left(g\right)\)
b)\(m_{Na_2O}=0,32.62=19,84\left(g\right)\)
\(m_{CaCO_3}=1,44.100=144\left(g\right)\)
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