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A buffered solution contains 0.25 M NH3 (Kb = 1.8 x 10-5 ) and 0.40 M...

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Chemistry

A buffered solution contains 0.25 M NH3 (Kb = 1.8 x 10-5 ) and0.40 M NH4Cl.

a. Calculate the pH of this solution.

b. Calculate the pH of the solution that results when 0.20 moleof gaseous HCl is added to 1.0 L of the buffered solution from parta

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