IIT JAMChemistryElectrochemistryNumerical+2 / −0
The mean ionic activity coefficient of 0.004 molal CaCl in water at 298 K (rounded off to three decimal places) is . (Given: Debye-Hückel constant for an aqueous solution at 298 K is 0.509 kg mol )
Numerical answer
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Correct answer: 0.772, 0.775
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