H2SO4 is 98% by weight. Weight of H2SO4=98g Weight of solution = 100 g ∴ Volume of solution=
Mass
Density
=
100
1.80
mL =55.55 mL=0.0555 L Molarity of solution =
98
98×0.0555
M=18.02M Let V mL of this H2SO4 are used to prepare 1 liter of 0.1 M H2SO4 ∴ mM of concentration H2SO4=mM of dilute H2SO4 or, V×18.02=1000×0.1 or, V=