MHT CET questions
29293 published questions with worked solutions.
- 5 L of a solution contains 25 mg of CaCO_3 . What is its concentration in ppm? (Mol. wt. of CaCO_3 is 100)
- Mole fraction of a solute in benzene is 0.2 then what is the value of molality of solute?
- The density (in g ,mL^ -1 ) of a 3.60 M sulphuric acid solution that is 29% H_2SO_4 (molar mass = 98 g mol^ -1 ) by mass will be
- Calculate the mole fraction of ethylene glycol ( C_2H_6O_2 ) in a solution containing 20% C_2H_6O_2 by mass
- How many moles of Al_2(SO_4)_3 would be in 50 g of the substance?
- The density of a 3 M sodium thiosulphate ( Na_2S_2O_3 ) solution is 1.25 g/mL. Calculate the per cent by mass of sodium...
- A sample of sea water contains 5 10^ -3 g of dissolved oxygen in 1 kg of the sample. The concentration of O_2 in that sea water...
- Vapour pressure of pure 'A' is 70 mm of Hg at 25 ℃. It forms an ideal solution with 'B' in which mole fraction of 'A' is 0.8. If...
- The mole fraction of ethyl alcohol in its solutions with methyl alcohol is 0.80. The vapour pressure of pure ethyl alcohol is 40...
- Which of the following azeotropic solutions has the boiling point less than boiling point of the constituents A and B ?
- At 25 ℃, the total pressure of an ideal solution obtained by mixing 3 moles of A and 2 moles of B, is 184 torr. What is the...
- An aqueous solution of methanol in water has vapour pressure
- Two liquids X and Y form an ideal solution. The mixture has a vapour pressure of 400 mm at 300 K when mixed in the molar ratio of...
- A solution of acetone in ethanol
- One component of a solution follows Raoult's law over the entire range 0 x_1 1. The second component must follow Raoult's law in...
- The vapour pressure of two liquids X and Y are 80 and 60 torr respectively. The total vapour pressure of the ideal solution...
- A mixture of ethyl alcohol and propyl alcohol has a vapour pressure of 290 mm at 300 K. The vapour pressure of propyl alcohol is...
- A solution containing components A and B follows Raoult's law, when
- At 80 ℃, the vapour pressure of pure liquid 'A' is 520 mmHg and that of pure liquid 'B' is 1000 mm Hg. If a mixture solution of...
- Relative lowering of vapour pressure of a dilute solution is 0.2. What is the mole fraction of the non-volatile solute?