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a) What is the pH value of 0.08M NH3 solution? (For NH3)Kb =1.2x10^8 b) How many ml of acid must be taken to prepare 250

a) What is the pH value of 0.08M NH3 solution? (For NH3)Kb =1.2x10^8

b) How many ml of acid must be taken to prepare 250 ml of 0.4 N acid solution from an acid solution containing 80% H2SO4 by weight, with a density of 1.40 g/ml? (H2SO4, Mw= 98 gr/mol)

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