Home
Class 12
CHEMISTRY
The molarity of urea (molar mass 60 g mo...

The molarity of urea (molar mass 60 g `mol^(-1)`) solution by dissolving 15 g of urea in 500 `cm^(3)` of water is

A

`2"mol dm"^(-3)`

B

`0.5 "mol dm"^(-3)`

C

`0.125 "mol dm"^(-3)`

D

0.0005 mol `dm^(-3)`

Text Solution

Verified by Experts

The correct Answer is:
B
`M = W_2/M_2 xx (1000)/("Vol. mL")`
`M=15/60 xx 1000/500 = 1/2 =0.5 "mol dm"^(-3)`
Promotional Banner

Topper's Solved these Questions

  • POLYMERS

    MARVEL PUBLICATION|Exercise TEST YOUR GRAP|35 Videos

  • SOLID STATE

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|30 Videos

Similar Questions

Explore conceptually related problems

What is the molarity of a solution containting 200 mg of urea ( molar mass : 60 g mol ^(-1) ) dissolved in 500 g of water ?

20g of NaOH (Molar mass = 40 g mol^(-1) ) is dissolved in 500 cm^(3) of water.Molality of resulting solution is

What is the molality of solution containing 200 mg of urea ("molar mass"60" g mol"^(-1)) dissolved in 40 g of water ?

A solution is prepared by dissolving 0.6 g of urea (molar mass =60 g"mol"^(-1) ) and 1.8 g of glucose (molar mass =180g"mol"^(-1) ) in 100 mL of water at 27^(@)C . The osmotic pressure of the solution is: (R=0.08206L "atm"K^(-1)"mol"^(-1))

How mich urea ("molar mass"=60 g mol^(-1)) must be dissolved in 50 g of water so that the vapour pressure at room temperature is reduced by 25% ? Also calculate the molality of the solution obtained.

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

MARVEL PUBLICATION-QUESTION PAPER - 2018-MCQs
  1. What is the catalyst used for oxidation of SO(2) to SO(3) in lead cham...

    Text Solution

    |

  2. The number of moles of electrons passed when current of 2 A is passed ...

    Text Solution

    |

  3. The molarity of urea (molar mass 60 g mol^(-1)) solution by dissolving...

    Text Solution

    |

  4. Which carbon atom of dexyribose sugar in DNA does not contain -underse...

    Text Solution

    |

  5. Which of the following carboxylic acids is most reactive towerds ester...

    Text Solution

    |

  6. Molarity is defined as

    Text Solution

    |

  7. Which of the following carboxylic acids is a tricarboxylic acid?

    Text Solution

    |

  8. What is the number of donar atoms in dimethylglyoxinato ligand ?

    Text Solution

    |

  9. In which substance does nitrogen exhibit the lowest oxidation state ?

    Text Solution

    |

  10. Which of the following is most reactive towards addition reaction of h...

    Text Solution

    |

  11. The most basic hydroxide from the following is

    Text Solution

    |

  12. Define density .What is the SI unit of density ? (b) Define relati...

    Text Solution

    |

  13. Which of the following compounds does not undergo haloform reaction ?

    Text Solution

    |

  14. Two moles of an ideal gas are allowed to expand from a volume of 10 dm...

    Text Solution

    |

  15. Among the following solids, Schottky defect is NOT observed in-

    Text Solution

    |

  16. What are the products of auto-photolysis of water?

    Text Solution

    |

  17. Bauxite, the ore of aluminium is purified by which process ?

    Text Solution

    |

  18. Phenol in presence of sodium hydroxide reacts with chloroform to form ...

    Text Solution

    |

  19. Which among the following elements of groups-2 exhibits anomalous prop...

    Text Solution

    |

  20. Excess of ammonia with sodium hypochloride solution in the presence of...

    Text Solution

    |