AP EAMCET Engineering 22 Sep 2020 Shift 1 Paper

Given, mass of HCl=18.25g
Molar mass of HCl=36.5

g

mol

Mass of water =500g=0.5kg
Number of moles of HCl= Mass of HCl/ Molar mass of HCl=

18.25

36.6

=0.5mol
Molality = Number of moles / Mass of solvent in kg =

0.5

0.5

=1m
Hence, molality of solution is 1m, thus correct option is (c).