JEE Advanced 2014 Paper 1 Chemistry Q19

Chemistry · Matter, Measurement & the Mole · Chemical Reactions & Stoichiometry

Problem

A compound

\ce{H2X}

with molar weight of

80\,\mathrm g

is dissolved in a solvent having density of

0.4\,\mathrm{g\,ml^{-1}}

. Assuming no change in volume upon dissolution, the molality of a 3.2 molar solution is