\(Na_2CO_3(0,05)+2CH_3COOH(0,1)--->2CH_3COONa(0,1)+CO_2(0,05)+H_2O\)
\(m_{Na_2CO_3}=\dfrac{10,6.50}{100}=5,3\left(g\right)\)
\(\Rightarrow n_{Na_2CO_3}=0,05\left(mol\right)\)
Phản ứng vừa đủ:
Theo PTHH: \(nCH_3COOH=0,1\left(mol\right)\)
\(\Rightarrow m_{CH_3COOH}=60.0,1=6\left(g\right)\)
\(b)\)
Theo PTHH: \(n_{CO_2}=0,05\left(mol\right)\)
\(\Rightarrow m_{CO_2}=2,2\left(g\right)\)
\(m_{ddsau}=50+50-2,2=97,8\left(g\right)\)
Dung dich muối tạo thành là CH3COONa
Theo PTHH: \(n_{CH_3COONa}=0,1\left(mol\right)\)
\(\Rightarrow m_{CH_3COONa}=82.0,1=8,2\left(g\right)\)
\(\Rightarrow C\%CH_3COONa=\dfrac{8,2}{97,8}.100\%=8,38\%\)
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