How many grams of dry nh4cl need to be added

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How many grams of dry NH4Cl need to be added to 2.50 L of a 0.500 it M solution of ammonia, NH3, to prepare a buffer solution that has a rm pH of 8.99? Kb for ammonia is 1.8times 10^{-5}.

Reference no: EM13127541

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