Home
Class 12
CHEMISTRY
The molality of a 1 molar solution will...

The molality of a 1 molar solution will be (Given, density of solvent = 1.5 kg .`dm^(-3)`

A

1.5

B

1

C

0.66

D

10.72

Text Solution

Verified by Experts

The correct Answer is:
C
`m xx d = M or m = M/d=1/1.5=0.66`
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

A solution of glucose ("molar mass"= 180g mol^(-1)) in water is labelled as 10% (by mass). What would be the molarity and molality of the solution? Given that the density of the solution is 1.2g mL^(-1) .

The molarity of 5 molal aqueous solution of NaOH having density 1.2g/cc is :

Express the concentration of 5% mass of solution of Na_(2)S_(2)O_(3) in terms of (a) molarity (b) molality and © mole fraction of solution. The density of solution at 25^(@)C is gm L^(-1)

The molarity of NaNO_(3) solution is 1 M. The density of solution is 1.25 g/ml. Calculate molality of solution. (Molar-Mass of NaNO_(3)=85 g ).

0.2 M aqueous solution of NaOH ( Mole mass =40 ) .Find mole fraction of NaOH. [Given : Density of solution = 1 kg // dm^(3) ]

Calculate the molarity of 3.3molal solution of KCl whose density is 1.28 g//ml

The concentrations of soluitons can be expressed in number of ways , viz : mass fraction of solute (or mass percent), Molar concentration (Molarity ) and Molal concentration (molality). These terms are known as concentration terms and also they are related with each otehr i.e., knowing one concentration terms for the solution, we can find other concentration terms also. the definition of different cencentration terms are given below: Molarity : It is number of moles of solute present in one litre of the solution. Molality : It is the number of moles of solute present in one kg of the solvent. Mole fraction =("Mole of solute")/("Moles of solute" + "Moles of solvent") If molality of the solution is given as a, then mole fraction of the solute can be calculated by Mole Fraction =(a)/(a+(100)/(M_("solvent"))),=(axxM_("solvent"))/((a xx M_("solvent")+1000)0 where a=molality and M_("solvent") =Molar mass of solvent We can change : Mole fraction hArr Molality hArr Molarity What is the molarity of solutions if density of solution in 1.6 gm/ml?

The expression relating mole fraction of solute (chi_(2)) and molarity (M) of the solution is: (where d is the density of the solution in g L^(-1) and Mw_(1) and Mw_(2) are the molar masses of solvent and solute, respectively

NIKITA PUBLICATION-SOLUTION & COLLIGATIVE PROPERTIES -Multiple Choice Questions (Numericals)
  1. If the density of a solvent is greater than 1 kg. dm^(-3) then the mol...

    Text Solution

    |

  2. For a solution of dibasic acid the molarity (M) and normality (N) are ...

    Text Solution

    |

  3. The molality of a 1 molar solution will be (Given, density of solvent...

    Text Solution

    |

  4. If the density of the solvent is 2.5 kg dm^(-3) . The 2 molal solution...

    Text Solution

    |

  5. The m olality of solution is 10m and molar mass of solvent is 100 g "m...

    Text Solution

    |

  6. A solution of CaCl(2) is mol/litre, then the moles of chloride ions in...

    Text Solution

    |

  7. A molal solution is one that contains one mole of a solute in:

    Text Solution

    |

  8. Mole fraction of C(3)H(5)(OH)(3) in a solution of 36 g of water and 46...

    Text Solution

    |

  9. A x molal solution of a compound in benzene has mole fraction of solut...

    Text Solution

    |

  10. To 100 ml of a 0.5 M solution, 400 ml of water is added, the final mol...

    Text Solution

    |

  11. 800 ml of 0.1 MH(2) SO(4) is mixed with 200ml of 0.8 MH(2) SO(4) The m...

    Text Solution

    |

  12. How many grams of methanol would have to be added to water to prepare ...

    Text Solution

    |

  13. If the density of pure water is 0.999gcm^(3). The molarity of prue wat...

    Text Solution

    |

  14. The wt. of unhydrous sodium carbonate needed to prepare 500 ml of a de...

    Text Solution

    |

  15. The molarity of a 10% NaOH solution is

    Text Solution

    |

  16. The mole fraction of oxalic acid (Molar mass 63) required to prepare 0...

    Text Solution

    |

  17. 120g of urea is present in 5L of solution, the active mass of urea is

    Text Solution

    |

  18. The number of moles present in 2 litre of 0.5 M NaOH is:

    Text Solution

    |

  19. The mole of fraction of nitrogen, in a mixture of 7 g of N(2) and 16 g...

    Text Solution

    |

  20. The wt. percent of NO(3)^(-) in the solute in a solution is 20. The vo...

    Text Solution

    |