According to the Debye – Huckel limiting law, the mean activity coefficient of 5 × 10⁻⁴ mol kg⁻¹ aqueous solution of CaCl₂ at 25°C is (the Debye – Huckel constant 'A' can be takento be 0.509)

According to the Debye – Huckel limiting law, the mean activity coefficient of 5 × 10⁻⁴ mol kg⁻¹ aqueous… · ABC26PH0392

Subject: Physical Chemistry · Chapter: Electrochemistry · Topic: Debye Huckel · Exam: GATE 2005-2021 · Marks: 2 · Difficulty: Medium

According to the Debye – Huckel limiting law, the mean activity coefficient of $5 \times 10^{-4}\,\mathrm{mol\,kg^{-1}}$ aqueous solution of $\mathrm{CaCl_2}$ at 25°C is (the Debye – Huckel constant 'A' can be takento be 0.509)

(a)0.63

(b)0.72

(c)0.80

(d)0.91

Answer

Answer (as printed): D

Explanation

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