Calculate the equivalent weight of NaOH in the following reaction,NaOH+HCl⟶NaCl+H2O

In NaOH+HCl→NaCl+H2O no. of H+ions  that react with one molecule of NaOH is 1. So, equivalent wt. of NaOH=  mol. wt of NaOH(=23+ 16+ 1 =40)/1=40.