\(d\dfrac{X}{SO_2}=2,5\Rightarrow X=2,5.64=160\left(\dfrac{g}{mol}\right)\)
Câu 30
\(n_{CO_2}=\dfrac{11}{44}=0,25\left(mol\right)\)
\(V_{CO_2}=0,25.22,4=5,6\left(l\right)\)
\(n_{C_2H_2}=\dfrac{13}{26}=0,5\left(mol\right)\\ V_{C_2H_2}=0,5.22,4=11,2\left(l\right)\)