Consider the following reaction :$NaOH(aq)+HCl(aq)\rightarrow H_2O(l)+NaCl(aq)$.The rate of reaction can be found by observing change in concentration

Question

$\begin{array}{1 1}(a)\;H_2O&(b)\;Cl^-\\(c)\;H^+&(d)\;Na^+\end{array}$