Question

giúp mik nhanh vs ạ 

Answer 1

\(n_{NaOH}=0,1.0,15=0,03\left(mol\right)\)

PTHH: CH₃COOH + NaOH ---> CH₃COONa + H₂O

              0,03<----------0,03

\(\Rightarrow C_{M\left(CH_3COOH\right)}=\dfrac{0,03}{0,1}=0,3M\\ \Rightarrow B\)