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define specific conductance (conductivit...

define specific conductance (conductivity)

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**Step-by-Step Text Solution:** 1. **Understanding Conductance**: Conductance refers to the ability of a solution to conduct electric current. It is influenced by the presence of ions in the solution. 2. **Definition of Specific Conductance**: Specific conductance, also known as conductivity, is defined as the conductance of an electrolyte solution when the distance between the electrodes is 1 cm and the area of cross-section of the electrodes is also 1 cm². 3. **Mathematical Representation**: Specific conductance (κ) can be mathematically represented as: \[ ...
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The specific conductance (or conductivity ) of 0.014 M NaBr solution is 3.16 xx 10^(-4) S cm^(-1) .Find the molar conductivity of the solution .

(i) Define specific and molar conductivity and give relation between them. (ii) Calculate molar conductance of acetic acid at infinite dilution (^^_(m)^(@)) . If molar conductance at infinite dilution of NaCl, HCl and CH_(3)COONa are 126.4, 426.1 and 91.0ohm^(-1)cm^(2)mol^(-1) respectively.

Knowledge Check

  • If the specific conductance and conductance of a solution are same, then its cell constant is equal to:

    A
    1
    B
    0
    C
    10
    D
    100

  • The unit of specific conductance is:

    A
    `"ohm"^(-1)`
    B
    `"ohm"^(-1) cm^(-1)`
    C
    `"ohm"^(-2) cm^(2) eq^(-1)`
    D
    `"ohm"^(-1) cm^(2)`

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    Define conductivity (K).

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    Explain the terms specific conductivity and molar conductivity.

    Factors Affecting Electrical Conductivity Of Electrolytic Solutions|Ohm's Law|Resistance |Resistivity Or Specific Resistance|Conductance|Conductivity|Molar Conductivity |Relation Between Conductivity And Molar Conductivity |Summary

    (a) Define the terms conductivity and molar conductivity for the solution of an electrolyte. Comment on their variation with temperature (b) The measured resistance of a conductance cell was 100 ohms. Calculate (i) the specific conductance and (ii) the molar conductance of the solution (KCl=74.5 g mol^(-1) and cell constant =1.25 cm^(-1))

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