A solution containing 30 g of non-volatile solute exactly in 90 g of water has a vapour…
Chemistry · JEE Main · NTA Exams — Solutions
A solution containing 30 g of non-volatile solute exactly in 90 g of water has a vapour pressure of 2.8 kPa at 298 K. Further 18 g of water is then added to the solution and new vapour pressure becomes 2.9 kPa at 298 K. What will be the molar mass of solute and vapour pressure of water at 298 K respectively?
- 34 g/mol, 31 kPa
- 34 g/mol, 3.4 kPa
- 3.4 g/mol, 34 kPa
- 3.4 g/mol, 3.4 kPa
Answer
(B) 34 g/mol, 3.4 kPa
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- What will be the lowering of vapour pressure in 1 molal aqueous solution at 100 ° C ? (if solute is…
- Match List I with List II List I List II (A). Van’t Hoff factor, i I. Cryoscopic constant (B). k_ f II…
- The vapour pressure of benzene at a certain temp. is 640 mm Hg . A non-volatile-non-electrolyte solid…
- Rectified spirit contains 95% ethanol by weight. The mole fraction of ethanol will be
- What weight of glycerol should be added to 600 g of water in order to lower its freezing point by 10º C ? (K…
- Vapour pessure of CCl 4 at 25ºC is 143 mm Hg. 0.5g of a non-volatile solute (mol. wt. 65) is dissolved in 100…
- Solute A associates as dimer in water. When 0.7 g of solute A is dissolved in 42.0 g of water, it depresses…
- What will be the molarity of 30 mL of 0.5 M H 2 SO 4 solution when diluted to 500 mL ?