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The molality of 1M NaNO(3) solution is (...

The molality of 1M `NaNO_(3)` solution is (d=1.25 g/ml)

A

0.8 m

B

0.858 m

C

1.6 m

D

1 M `Na_(2)SO_(4)`

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Knowledge Check

  • Molality of 1 M NaNO_3 solution (Density of solution is 1.25 g Ml^(-1) and mol. wt. of NaNO_3 = 85 g mol^(-1) ) is

    A
    1.286 m
    B
    4.44 m
    C
    0.858 m
    D
    none of these.

  • Density of 2M NaCI solution is 1.25 g/cc.The molality of the solution is :

    A
    2.79 molal
    B
    0.279 molal
    C
    1.279 molal
    D
    3,85 molal

  • The density of 3M solution of NaCl is 1.25 g mL^(-1) . The molality of the solution is

    A
    `3.86 mol kg^(-1)`
    B
    `1.97 mol kg^(-1)`
    C
    `2.79 mol kg^(-1)`
    D
    `0.786 mol kg^(-1)`
    • AAKASH INSTITUTE-SOLUTIONS-ASSIGMENT (SECTION-B)
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    3. Which of the following pair of solutions can be expected to be isotoni...

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    6. When 20 g of napthanoic acid (C(11)H(8)O(2)) is dissolved in 50 g of b...

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    7. A 0.2 molal aqueous solution of a weak acid HX is 20% ionized. The fre...

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    8. If a solute undergoes dimerisation and trimerisation, the minimum valu...

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    9. A water sample contains 9.5% MgCl(2) and 11.7% NaCl (by weight).Assumi...

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    10. A complex is written as M(en)(y)Br. Its 0.05 molar solution shows 2.46...

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    12. Consider threee solutions of 3 strong electrolytes.AB, CD(2) and EF(3)...

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    13. At 27^(@)C,3.92 gm H(2)SO(4) is present in 250 ml solution. The osmoti...

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    14. Degree of dissociation of three binary electrolytes AB, CD and EF are...

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    15. 0.067 molar aqueous solution of a binary electrolyte A^(+)B^(-) shows ...

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    16. A' gram of non-volatile, non-electrolyte (molar mass M) is dissolved i...

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    18. 75 g ethylene glycol is dissolved in 500 gram water. The solution is p...

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    19. When mercuric iodide is added to aqueous KI solution:

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