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Calculate the pH change that results when 11 mL of 5.8 M NaOH is added to...

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Chemistry

Calculate the pH change that results when 11 mL of 5.8M NaOH is added to 776 mL of each the following solutions.(See the appendix.)

pKa = 9.25

Ka = 5.6e-10

(c) 0.10 M NH3

Answer & Explanation Solved by verified expert
4.2 Ratings (661 Votes)
given Ka 56 x 1010 we know that Ka x Kb 1014 so 56 x 1010 x Kb 1014 Kb 17857 x 105 now NH3 is a weak base for weak bases OH sqrt Kb x C given conc of NH3 C 01 so OH sqrt 17857 x 105 x 01 OH 1336 x 103    See Answer
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