(b)What is the pH of a solution which is 0.0100 M in HA and also 0.0020 M in NaA (Ka = 9.0 * 10-6)?
I think answer is 5.65, is that correct?
(c)A sample of ammonia (Kb = 1.8 * 10-5) is titrated with 0.1 M H2SO4. At the equivalence point, the pH is approximately______ ?
I think 5 not too sure.
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