$$60 \mathrm{~g} \mathrm{~CH}_3 \mathrm{COOH}$$ dissolved in $$1 \mathrm{~dm}^3$$ solvent, what is molality of solution?

(density = $$1.25 \mathrm{~g} / \mathrm{cm}^3$$)

If resistivity of 0.8 M KCl solution is $$2.5 \times 10^{-3} \Omega \mathrm{~cm}$$. Calculate molar conductivity solution?

Which of the following compounds does not contain group ?

If, 2 moles of an ideal gas at 546 K has volume of 44.8 L, then what will be it's pressure? $$(R=0.082)$$