a, \(CH_3COOH+NaOH\rightarrow CH_3COONa+H_2O\)
b, \(n_{NaOH}=0,2.1,5=0,3\left(mol\right)\)
Theo PT: \(n_{CH_3COOH}=n_{NaOH}=0,3\left(mol\right)\Rightarrow m_{CH_3COOH}=0,3.60=18\left(g\right)\)
c, \(n_{CH_3COONa}=n_{NaOH}=0,3\left(mol\right)\Rightarrow m_{CH_3COONa}=0,3.82=24,6\left(g\right)\)