Home
Class 11
CHEMISTRY
A solution of sodium sulfate contains 92...

A solution of sodium sulfate contains 92g of `Na^(+)` ions per kilogram of water. The molality of `Na^(+)` ions in the solution in mol `kg^(-1)` is

A

16

B

8

C

4

D

12

Text Solution

Verified by Experts

The correct Answer is:
C
Moles of `Na^(+) = 92/23 =4`
Molality `=4/1=4` m
Promotional Banner

Topper's Solved these Questions

  • SOME BASIC CONCEPTS OF CHEMISTRY

    MODERN PUBLICATION|Exercise COMPETITION FILE (MULTIPLE CHOICE QUESTIONS FROM COMPETITIVE EXAMINATIONS) (JEE ADVANCE FOR IIT ENTRANCE)|1 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    MODERN PUBLICATION|Exercise COMPETITION FILE (MULTIPLE CHOICE QUESTIONS WITH MORE THAN ONE CORRECT ANSWERS)|8 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    MODERN PUBLICATION|Exercise COMPETITION FILE (MULTIPLE CHOICE QUESTIONS FROM COMPETITIVE EXAMINATIONS)(AIPMT, NEET & OTHER STATE BOARD MEDICAL ENTRANCE)|29 Videos

  • S-BLOCK ELEMENTS ( ALKALI AND ALKALINE EARTH METALS )

    MODERN PUBLICATION|Exercise UNIT PRACTICE TEST|13 Videos

  • STATES OF MATTER : GASES AND LIQUIDS

    MODERN PUBLICATION|Exercise UNIT PRACTICE TEST|13 Videos

Similar Questions

Explore conceptually related problems

If the density of lake water is 1.25 g mL^(-1) and it contains 92 g of Na^(+) ions per kg of water, calculate the molality of Na^(+) ions in the lake.

If the density of some lake water is 1.25 g mL^(-1) and contains 92g of Na^(o+) ions per kg of water, calculate the molality of Na^(o+) ions in the lake.

A molal solution is one that contains 1 mol of a solute in

A solution containing 24g of a non-electrolyte per kg of water starts to freeze at -0.75^(@)C . The molar mass of the solute is 60g "mol"^(-1) . Calculate the molal depression constnat for water. If the solution is cooled to -1^(@)C . How much of ice would separate ?

A molal solution is one that contains 1 mol of a solute dissolved in

The average concentration of Na^(+) ion in human body is 3.0 to 3.9 gm per litre. The molarity of Na^(+) ion is about.

MODERN PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY -COMPETITION FILE (MULTIPLE CHOICE QUESTIONS FROM COMPETITIVE EXAMINATIONS)(JEE MAIN & OTHER STATE BOARDS ENGINEERING ENTRANCE)
  1. How many moles of electrons weigh one kilogram?

    Text Solution

    |

  2. A metal M (specific heat 0.16) forms a metal chloride with a 65% chlor...

    Text Solution

    |

  3. 1.0 g of Mg is burnt with 0.28 g of O2 in a closed vessel . Which reac...

    Text Solution

    |

  4. 1 mole of FeSO4 (atomic weight of Fe is 55.84 g mol^(-1) ) is oxidize...

    Text Solution

    |

  5. The ration of mass per cent of C and H of an organic compound (C(x)H(y...

    Text Solution

    |

  6. 8g of NaOH is dissolved in 18g of H(2)O. Mole fraction of NaOH in solu...

    Text Solution

    |

  7. The amount of sugar (C(12)H(22)O(11)) required to prepare 22 L of its ...

    Text Solution

    |

  8. A solution of sodium sulfate contains 92g of Na^(+) ions per kilogram ...

    Text Solution

    |

  9. The combining ratios of hydrogen and oxygen in water and hydrogen pero...

    Text Solution

    |

  10. The combining ratios of hydrogen and oxygen in water and hydrogen pero...

    Text Solution

    |

  11. The mass of AgCl precipitated when a solution containing 11.70 g of Na...

    Text Solution

    |

  12. A solution of methanol in water is 20% by volume. If the solution and ...

    Text Solution

    |

  13. 8g of NaOH is dissolved in 18g of H(2)O. Mole fraction of NaOH in solu...

    Text Solution

    |

  14. For a reaction, N(2)(g)+3H(2)(g)rarr2NH(3)(g), identify dihydrogen (H(...

    Text Solution

    |

  15. At 300 K and 1 atmospheric pressure, 10 mL of a hydrocarbon required 5...

    Text Solution

    |

  16. The amount of sugar (C(12)H(22)O(11))required to prepare 22 L of its 0...

    Text Solution

    |

  17. A mixture of 100m mol of Ca(OH)(2) and 2g of sodium sulphate was dis...

    Text Solution

    |

  18. The percentage composition of carbon by mole in methane is:

    Text Solution

    |

  19. The mole fraction of a solvent in aqueous solution of a solute is 0.8....

    Text Solution

    |

  20. A solution of sodium sulfate contains 92g of Na^(+) ions per kilogram ...

    Text Solution

    |