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A chemist needs to prepare a buffer solution of pH 8 80 What molarity of

A chemist needs to prepare a buffer solution of pH 8.80. What molarity of NH3 (pKb = 4.75) is required to produce the buffer solution if the (NH4)2SO4 in the solution is 1.8 M?
A solution is prepared by titrating a 100.0 mL sample of 0.10 M HF (Ka = 7.2 × 10-4) with 0.10 M NaOH.What is the pH after 20.0 mL of the 0.10 M NaOH is added?
 

Jul 31 2020 View more View Less

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