Home
Class 12
CHEMISTRY
100 mL of ethanol (density 0.8g/cc) is d...

100 mL of ethanol (density 0.8g/cc) is diluted to one litre using water. Calculate (a) molarity and (b) mole fraction.

Text Solution

Verified by Experts

The correct Answer is:
`1.93 mol kg^(-1); 0.0336`
Promotional Banner

Topper's Solved these Questions

  • DILUTE SOLUTIONS

    AAKASH SERIES|Exercise EXERCISE - 1.1.4|18 Videos
  • D-BLOCK ELEMENTS

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE-4 (ASSERTION (A) & REASON (R) TYPE QUESTIONS )|69 Videos
  • ELECTROCHEMISTRY

    AAKASH SERIES|Exercise PRACTICE EXERCISE|55 Videos

Similar Questions

Explore conceptually related problems

100 mL of ethano (d = 0.78g cc^(-1)) I made upto a litre with pure water. Caculate the molality.

The density of 8.653% (w/v) Na_2CO_3 solution is 1.018 g mL^(-1) . Calculate (a) molality and (b) mole fraction.

20 ml of 10 M HCl and 10 ml of 18 M H_2SO_4 are mixed and sufficient water is added to make upto one litre. Calculate the molarity of proton in the mixture.

250 mL of a sodium carbonate solution contains 2.65 g Na_(2)CO_(3) . If 10 mL of this solution is diluted to one litre, what is the concentration of resultant solution?

0.5 g of Ba(OH)_2, 0.01 mol Ba(OH)_(2) and 0.01 eq. Ba(OH)_(2) were together diluted to one litre. Calculate the normality of basic solution.

Calculate a) molality b) molarity and c) mole fraction of KI if the density of 20% (mass / mass) aqueous KI is 1.202" g mL"^(-1) . As density and % by mass is given, so find the mass of solute and solvent (as x % solution contains x g solute in (100 - x) g solvent). Find volume of the solution, by using,, Volume =("Mass")/("Density") Recall the formulae of molality, molarity and mole fraction, to calculate them. Molality =("Mass of solute/ molar mass of solute")/("Mass of solventin kg")

Concentration hydrochloric acid has 38% of HCl by weight with a density of 1.1885 g per ml. Calculate the molarity of the acid. What volume of the acid on dilution to one litre gives finally decimolar solution?

4.5g of urea (molar mass = 60g "mol"^(-1) ) are dissolved in water and solution is made to 100 ml in a volumetric flask. Calculate the molarity of solution.

1.032 kg of aqueous, one molal methanol is added with 500 mL water . Calculate the molality of dilute solution.

AAKASH SERIES-DILUTE SOLUTIONS-EXERCISE - 1.2
  1. 250 mL of 0.2 M NaOH and 100 mL of 0.25 M Ba (OH)(2) are mixed. Calcu...

    Text Solution

    |

  2. The density of 8.653% (w/v) Na2CO3 solution is 1.018 g mL^(-1). Calcul...

    Text Solution

    |

  3. 100 mL of ethanol (density 0.8g/cc) is diluted to one litre using wate...

    Text Solution

    |

  4. The density of 3M Na2S2O3 is 1.25 g/cc. Calculate the mole fraction of...

    Text Solution

    |

  5. The partial pressure of ethane over a solution containing 6.50 xx10^(...

    Text Solution

    |

  6. Vapour pressures of para xylene and methylbenezene at 90^@C are respec...

    Text Solution

    |

  7. What weigth of a non-volatile solute (molar mass 40 g) should be disso...

    Text Solution

    |

  8. Vapour pressure of pure water at 298 k is 23.8 mm Hg. Calculate the lo...

    Text Solution

    |

  9. Non ideal solutions exhibit either possitive (or) -ve deviations from...

    Text Solution

    |

  10. Define the terms osmotic and osmatic pressure. What is the advantage o...

    Text Solution

    |

  11. What is the effect of temperature of a solutions on its molarity and m...

    Text Solution

    |

  12. What is the vapour pressure of one molal glucose solution at 100^(@)C ...

    Text Solution

    |

  13. Vapour pressure of water at certain temperature is 155 mm Hg and that ...

    Text Solution

    |

  14. At 100^@C vapour pressure of heptane and octane are respectively 105.2...

    Text Solution

    |

  15. Vapour pressure of aqueous glucose at 373 K is 750 mm Hg. Calculate th...

    Text Solution

    |

  16. A mixture of two immiscible liquids water and nitrobeneze boiling at 3...

    Text Solution

    |

  17. State the law co-relating the pressure of a gas and its solubility in ...

    Text Solution

    |

  18. State the condition resulting in reverse osmosis.

    Text Solution

    |

  19. Define the following terms: (i) Ideal solution (ii) Azeotrope and (ii)...

    Text Solution

    |

  20. If 0.869 g of cholesterol is dissolved in 4.4 g of diethyl ether the v...

    Text Solution

    |