Home
Class 12
CHEMISTRY
Calculate the molality of the solution p...

Calculate the molality of the solution prepared by dissolving 18g of glucose (mol mass = 180) in 500g of water

A

1 m

B

0.5 m

C

0.2 m

D

2 m

Text Solution

Verified by Experts

The correct Answer is:
C
`"Molality"="Mole of solute"/"mass of water in kg"=18/(180 xx 0.5) =0.2 m `
Promotional Banner

Topper's Solved these Questions

  • SOLUTION & COLLIGATIVE PROPERTIES

    NIKITA PUBLICATION|Exercise Questions from Competition Exam|43 Videos

  • SOLUTION & COLLIGATIVE PROPERTIES

    NIKITA PUBLICATION|Exercise Questions from Competition Exam|43 Videos

  • SOLID STATE

    NIKITA PUBLICATION|Exercise Question from Competition Exam|39 Videos

Similar Questions

Explore conceptually related problems

What will be the molality of solution having 18 g of glucose ( molecular weight = 180 ) dissolved in 500 g of water ?

The density of a solution prepared by dissolving 120 g of urea (mol. Mass=60 u) in 1000 g of water is 1.15 g/mL. The molarity if this solution is

Calculate the molarity of KCl solution prepared by dissolving 7.45 g of KCl in 500 mL of the solution. (d_(sol) = 1.2 g mL^(-1))

The molal elevation constant for water is 0.56 K kg mol^(-1) . Calculate the boiling point of a solution made by dissolving 6.0g of urea (NH_(2)CONH_(2)) in 200g of water.

What is the molality of a solution in which 18 g of glucose (mol. wt. = 180) is dissolved in 500g of H_2O ?

What is the molality m, of methanol in a solution prepared by dissolving 160 g of methanol, CH_(3)OH , in 200.0 g of water :

NIKITA PUBLICATION-SOLUTION & COLLIGATIVE PROPERTIES -Multiple Choice Questions (Numericals)
  1. An aqueous solution of glucose is 10% in strength ,The volume in which...

    Text Solution

    |

  2. Mole fraction of glucose in 18% (wt./wt.) solution of glucose is

    Text Solution

    |

  3. Calculate the molality of the solution prepared by dissolving 18g of g...

    Text Solution

    |

  4. At 40^(@)C, the vapour pressure in torr of methyl and ethyl alcohol so...

    Text Solution

    |

  5. 150 mL of C(2)H(5)OH(density = 0.78 g mL^(-1)is diluted to one litre b...

    Text Solution

    |

  6. 50g. Of a solute is dissolved in 0.95 kg. of the solvent. The mass per...

    Text Solution

    |

  7. A solution is 0.25% by mass. The weight of solvent containing 1.25g. O...

    Text Solution

    |

  8. The mole fraction of C(2)H(5)OH (Molar mass = 46 ) in 5 molal aqueous ...

    Text Solution

    |

  9. A sugar syrup of weight 214.2 g contains 34.2 g of sugar (C(12) H(22) ...

    Text Solution

    |

  10. To a 4L of 0.2M solution of NaOH, 2L of 0.5M NaOH are added. The molar...

    Text Solution

    |

  11. If the mole fraction of solute is 0.5 and molar mass of solvent is 50 ...

    Text Solution

    |

  12. 200g. Of 5% solution (by mass) of the solute A is mixed with 300 g. of...

    Text Solution

    |

  13. Equal volumes of 10% solution (by wt) of the solute A and 15 % solutio...

    Text Solution

    |

  14. 400 cm^(3) of water is added to 6% of 600 g (molar mass =36) of a solu...

    Text Solution

    |

  15. Volume of 0.2 M H(2)SO(4) solution contain 20 millimoles of the solute...

    Text Solution

    |

  16. What volume of 95% H(2) SO(4) by weight (d = 1.85 g mL^(-1)) and what ...

    Text Solution

    |

  17. Concentrated sulphuric acid is approximately 18 molar. 5 cc of it are ...

    Text Solution

    |

  18. 2 mole of ethanol is dissolved in 8 mole of water. The mole fraction o...

    Text Solution

    |

  19. 92 g. of ethanol is dissolved in 108g. Of water. The mole fraction of ...

    Text Solution

    |

  20. dm^(3) of water contains 90 g of glucose. The mole fraction of glucose...

    Text Solution

    |