The limiting molar conductivities of Nal, NaNO3 and AgNO3 are 12.7, 12.0 and 13.3 mS m2 mol-1, respectively (all at 25°C). The limiting molar conductivity of Agl at this temperature is_________mS m2 mol-1.

λ m ∞ of Nal = 12.7 mSm2 mol-1 λ m ∞ of NaNO3 = 12.0 m Sm2 mol-1 λ m ∞ of AgNO3 = 13.3 mSm2 mol-1 ∴ λ A g l ∞ = [ λ m ∞ ( A g N O 3 ) + λ m ∞ ( N a l ) ] − λ m ∞ N a N O 3 = (13.3 + 12.7) - 12.0 = 14.0 m Sm2 mol-1

The limiting molar conductivities of Nal, NaNO₃ and AgNO₃ are 12.7, 12.0 and 13.3 mS m² mol^-¹, respectively (all at 25°C). The limiting molar conductivity of Agl at this temperature is_________mS m² mol^-¹.

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Alok Kumar Singh | Contributor-Level 10

6 months ago

$λ_{m}^{\infty}$ of Nal = 12.7 mSm² mol^-1

$λ_{m}^{\infty}$ of NaNO₃ = 12.0 m Sm² mol^-1

$λ_{m}^{\infty}$ of AgNO₃ = 13.3 mSm² mol^-1

$∴ λ_{A g l}^{\infty} = [λ_{m}^{\infty} (A g N O_{3}) + λ_{m}^{\infty} (N a l)] - λ_{m}^{\infty} N a N O_{3}$

= (13.3 + 12.7) - 12.0 = 14.0 m Sm² mol^-1

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