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Use chemical activities to calculate the pH of a solution containing 0.01M CH3COOH (pKa 4.756) plus...

Use chemical activities to calculate the pH of a solution containing 0.01M CH3COOH (pKa 4.756) plus 0.05M LiNO3. What would be the pH if one neglected activities?

Activity Coefficients: H+ = 0.914, Li+ = 0.835, CH3CO2- = 0.902, NO3- = 0.805

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