Home
Class 12
CHEMISTRY
1 Kg of an aqueous solution of sucrose i...

`1` Kg of an aqueous solution of sucrose is cooled and maintained at `-4^(@)"C"`. How much ice will be separated out if the molality of the solution is `0.75` m ? `"K"_("F")("H"_(2)"O")=1.86"Kg mol"^(-1)"K"`

Text Solution

AI Generated Solution

To solve the problem step by step, we will follow the outlined process to find out how much ice separates out when the sucrose solution is cooled to -4°C. ### Step 1: Identify the given data - Mass of the solution (m_solution) = 1 kg = 1000 g - Molality (m) = 0.75 m - Freezing point depression constant (Kf) for water = 1.86 kg/mol·K - Final temperature (T_final) = -4°C ...
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

1Kg of an aqueous solution of sucrose is cooled and maintained at -4^@C . How much ice will be separated out of the solution if molality of the solution is 0.75. K_f = 1.86

1000 g of 1 molal aqueous solution of sucrose is cooled and maintained at -3.534^(@)C . Find out how much ice will separate out at this temperature. (K_(f) for water =1.86 k m^(-1) )

A 10 m solution of urea is cooled to -13.02^(@)C . What amount of urea will separate out if the mass of solution taken is 100 g ? [K_(f)("water") =1.86 Kkg mol^(-1)]

1000gm of sucrose solution in water is cooled to -0.5^(@)C . How much of ice would be separated out at this temperature, if the solution started to freeze at -0.38^(@)C . Express your answer in gram. (K_(f)H_(2)O=1.86K "mol"^(-1)kg)

Elevation in boiling point of an aqueous solution of a non-electroluyte solute is 2.01^(@) . What is the depression in freezing point of the solution ? K_(b)(H_(2)O)=0.52^(@)mol^(-1)kg K_(f)(H_(2)O)=1.86^(@)mol^(-1)kg

BANSAL-SOLUTIONS-Solved Examples
  1. The vapour pressure of benzene at80^(@)C is lowered by 10mm by dissovi...

    Text Solution

    |

  2. Calculate the molal elevation constant of water evaporates at 100^(@)"...

    Text Solution

    |

  3. 0.15g of a subatance dissolved in 15g of solvent boiled at a temperatu...

    Text Solution

    |

  4. If latent heat of fusion of ice is 80 cals per g at 0^(@), calculate m...

    Text Solution

    |

  5. Osmotic pressure of a sugar solution at 24^(@)C is 2.5 atmosphere .De...

    Text Solution

    |

  6. Twenty grams of a substance were dissolved in 500ml. Of water and the ...

    Text Solution

    |

  7. What weight of NaCl is added to one litre of water so that Delta"T"/...

    Text Solution

    |

  8. The addition of 3g of a substance to 100g C CI(4)(M = 154 g mol^(-1)) ...

    Text Solution

    |

  9. Vapour pressure of C(6)H(6) and C(7)H(8) mixture at 50^(@)C is given ...

    Text Solution

    |

  10. The vapour pressures of two pure liquids A and B that form an ideal so...

    Text Solution

    |

  11. When the mixture of two immiscible liquids (water and nitrobenzene) bo...

    Text Solution

    |

  12. A very dilute saturated solution of a sparingly soluble salt A(3)B(4) ...

    Text Solution

    |

  13. If the apparent degree of ionization of KCl in water at 290 K is 0.86....

    Text Solution

    |

  14. The specific conductivity of a 0.5 M aq. solution of monobasic acid HA...

    Text Solution

    |

  15. The freezing point of 0.02 mol fraction solution of acetic acid (A) in...

    Text Solution

    |

  16. 1 Kg of an aqueous solution of sucrose is cooled and maintained at -4^...

    Text Solution

    |

  17. River water is found to contain 11.7% NaCl, 9.5% MgCl(2), and 8.4%. Na...

    Text Solution

    |

  18. An aqueous solution containing 288gm of a non-volatile compound havin...

    Text Solution

    |

  19. 30mL of CH(3)OH (d = 0.780 g cm^(-3)) and 70 mL of H(2)O (d = 0.9984 g...

    Text Solution

    |

  20. Find "K"("a"), the ionization constant of tartaric acid if a 0.100 mol...

    Text Solution

    |