\(n_{Cl_2}=\dfrac{0.0448}{22.4}=0.002\left(mol\right)\)
\(n_{NaOH}=0.05\cdot1=0.05\left(mol\right)\)
\(2NaOH+Cl_2\rightarrow NaCl+NaClO+H_2O\)
\(2.................1\)
\(0.05........0.002\)
LTL : \(\dfrac{0.05}{2}>\dfrac{0.002}{1}\)
NaOH dư
\(C_{M_{NaCl}}=C_{M_{NaClO}}=\dfrac{0.002}{0.05}=0.04\left(M\right)\)
\(C_{M_{NaOH\left(dư\right)}}=\dfrac{0.05-0.002\cdot2}{0.05}=0.92\left(M\right)\)