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Molarity is expressed as...

Molarity is expressed as

A

Gram/litre

B

Moles/litre

C

Litre/mole

D

Moles/1000 gms

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • If N_(1),N_(2),N_(3),…… are the number of molcules with molecular masses M_(1),M_(2),(M_(3),… respectively ,then mass average molar mass is expressed as:

    A
    `(SigmaNiMi^(2))/(SigmaNiMi)`
    B
    `(SigmaNiMi)/(SigmaNi)`
    C
    `(SigmaMi^(2))/(SigmaNi)`
    D
    `(SigmaNiMi)/(SigmaMi)`

  • If N_(1),N_(2),N_(3),…… are the number of molcules with molecular masses M_(1),M_(2),(M_(3),… respectively ,then mass average molar mass is expressed as:

    A
    `(N_(1)M_(1)^(2),N_(2)M_(2)^(2),+……)/((N_(1)M_(1),N_(2)M_(2),+……))=(SigmaNiMi^(2))/(SigmaNiMi)`
    B
    `(N_(1)M_(1),N_(2)M_(2),+……)/((N_(1),N_(2),+……))=(SigmaNiMi)/(SigmaNi)`
    C
    `(SigmaMi^(2))/(SigmaNi)`
    D
    `(SigmaNiMi)/(SigmaMi)`

  • Molarity is defined as

    A
    the number of moles of solute dissolved in `1 dm^(3)` of the solution
    B
    the number of moles of solute dissolved in 1 kg of solvent
    C
    the number of moles of solute dissolved in `1 dm^(3)` of the solvent
    D
    the number of moles of solute dissolved in 100 mL of the solvent

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    Why molality is preferred over molarity in expressing the concentration of solution ?

    The concentration of a solution is expressed in terms of mole fraction, molarity, molality and in____

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    Molarity is defined as

    Assertion : Molality is perferred to molarity for expression the concentration of the solution. Reason : Molality can be determined more easily than molarity.

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