Solutions

JEE Advanced · Chemistry · 29 past questions

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Q12 2019 Paper 2

The mole fraction of urea in an aqueous urea solution containing 900 g of water is 0.05. If the density of…
Q16 2016 Paper 1

The mole fraction of a solute in a solution is 0.1. At 298 K, molarity of this solution is the same as its…
Q19 2014 Paper 1

A compound $H_2X$ with molar weight of 80 $g$ is dissolved in a solvent having density of 0.4 $g\ ml^{-1}$.…
Q21 2012 Paper 1

29.2% (w/w) HCl stock solution has a density of 1.25 g mL$^{-1}$. The molecular weight of HCl is 36.5 g…
Q23 2011 Paper 1

Dissolving 120 g of urea (mol. wt. 60) in 1000 g of water gave a solution of density 1.15 g/mL. The molarity…