\(n_{SO_2}=\dfrac{4,48}{22,4}=0,2\left(mol\right);n_{BaSO_3}=\dfrac{21,7}{217}=0,1\left(mol\right)\)
\(BTNT\left(S\right):n_{SO_2}=n_{BaSO_3}+n_{Ba\left(HSO_3\right)_2}.2\)
\(\Rightarrow n_{Ba\left(HSO_3\right)_3}=0,05\left(mol\right)\)
\(BTNT\left(Ba\right):n_{Ba\left(OH\right)_2}=n_{BaSO_3}+n_{Ba\left(HSO_3\right)_2}=0,15\left(mol\right)\)
=> \(V_{Ba\left(OH\right)_2}=\dfrac{0,15}{1}=0,15\left(lít\right)\)
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