Home
Class 11
CHEMISTRY
Statement-1 : Molarity of a solution and...

Statement-1 : Molarity of a solution and molality of a solution both change with density.
Statement-2 : Density of the solution changes when percentage by mass of solution changes.

A

Statement -1 is True, Statement -2 is True, Statement -2 is a correct

B

Statement -1 is True, Statement -2 is True, statement -2 is NOT a correct explanation for Statement-3

C

Statement-1 is True, Statement-2 is False

D

Statement-1 is False, Statement-2 is True

Text Solution

Verified by Experts

The correct Answer is:
A
`M = (10Dx)/(M_(s))` where `D =` density of solution `x = %` by mass, `M_(s) =` molar mass of solute:
Promotional Banner

Topper's Solved these Questions

  • SOLID STATE

    NARAYNA|Exercise LEVEL-V|122 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    NARAYNA|Exercise EXERCISE - IV|43 Videos

Similar Questions

Explore conceptually related problems

Statement-1 : For 10% w//w NaOH solution value of molarity is more than it's molarity. Statement-2 : Density of this solutions is more than water.

Molarity and molality of a solution of caustic soda are respectively 11.12 M and 94.12 m The density of the solution is

Molarity of a solution changes with temperature but molality does not.

3.0 molal NaOH solution has a density of 1.110 g//mL . The molarity of the solution is:

Statement - I. Molarity of the solution changes with temperature. Statement - II. volume is function of Temperature.

Assertion (A) Molarity of a solution in liquid state changes with temperature. Reason (R ) The volume of a solution charges with change in temperature.

NARAYNA-SOME BASIC CONCEPTS IN CHEMISTRY STOICHIOMETRY (PART-I)-All Questions
  1. Statement Equivalent weight of a species can be written as molecular w...

    Text Solution

    |

  2. Statement-1 : The percentage of nitrogen in Urea is approximately 46.6...

    Text Solution

    |

  3. Statement-1 : Molarity of a solution and molality of a solution both c...

    Text Solution

    |

  4. Statement H(3)PO(3) is a dibasic acid and its salt Na(2)PO(3) does not...

    Text Solution

    |

  5. Statement Addition of water to a solution containing solute and solven...

    Text Solution

    |

  6. Statement Addition of water to a solution containing solute and solven...

    Text Solution

    |

  7. Assertion : The molality of the solution does not change with change i...

    Text Solution

    |

  8. In the reaction, FeS(2)+KMnO(4)+H^(+) to Fe^(3+)+SO(2)+Mn^(2+)+H(2)O...

    Text Solution

    |

  9. Statement H(3)BO(3) is monobasic Lewis acid but its salt Na(3)BO(3) ex...

    Text Solution

    |

  10. Statement 109 % H(2)SO(4) represent a way to express concentration of ...

    Text Solution

    |

  11. consider the following reaction, Na(2)CO(3) + 2HCl to 2NaCl + H(2)O ...

    Text Solution

    |

  12. Direct titration of I(2) with a reducing agent is called iodimetry. If...

    Text Solution

    |

  13. Direct titration of I(2) with a reducing agent is called iodimetry. If...

    Text Solution

    |

  14. To a 25 ml H(2)O(2) solution, excess of acidified solution of Kl was a...

    Text Solution

    |

  15. 25 mL of H(2)O(2) solution were added to excess of acidified solution...

    Text Solution

    |

  16. To a 25 ml H(2)O(2) solution, excess of acidified solution of Kl was a...

    Text Solution

    |

  17. Match the following columns

    Text Solution

    |

  18. Match the following columns

    Text Solution

    |

  19. Match the following columns

    Text Solution

    |

  20. 10 mL of a mixture of CO,CH(4), and N(2) exploded with excess of oxyg...

    Text Solution

    |