Just answers.
A. A buffer solution that is 0.431 M in HClO and 0.431 M in NaClO has a p...
Chemistry, 01.04.2020 19:32 oasmith2005
Just answers.
A. A buffer solution that is 0.431 M in HClO and 0.431 M in NaClO has a pH of 7.46.
(1) The addition of 0.01 mol of H3O+ to 1.0 L of this buffer would cause the pH to (increase slightly, increase by 2 units, decrease slightly, decrease by 2 units, not change.)
(2) The capacity of this buffer for added OH- could be increased by the addition of 0.147 mol (of the weak acid, of the salt.)
B. How many grams of solid sodium fluoride should be added to 2.00 L of a 5.23×10-2M hydrofluoric acid solution to prepare a buffer with a pH of 3.816 ?
grams sodium fluoride = g.
C. How many grams of solid ammonium bromide should be added to 2.00 L of a 0.287 M ammonia solution to prepare a buffer with a pH of 8.740 ?
grams ammonium bromide =
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