Calculate the pH of a solution that contains the following analytical concentrations:
Calculate the pH of a solution that contains the following analytical concentrations:
(This problem requires values in your textbook's specific appendices, which you can access through the OWLv2 MindTap Reader. You should not use the OWLv2 References' Tables to answer this question as the values will not match.)
a 0.210 M in H3PO4 and 0.468 M in NaHPO4.
b 0.0180 M in Na2SO3 and 0.0368 M in NaHS O3.
c 0.460 M in HOC2H4NH2 and 0.840 M in HOC2H4NH3CI.
d 0.0110 M in H2C2O4 (oxalic acid) and 0.0720 M in Na2C2O4.
e 0.0180 M in Na2C2O4 and 0.0640 M in NaHC2O4.
Homework Answers
( c ) it is combination of basic buffer solution.
POH = PKb + log [
OHC2H4NH3+ ] / [ OHC2H4NH2]
PKa = — log ( 3.18 x 10–10 ) = 9.5
POH = ( 14 —9.5 ) + log ( 0.84 M / 0.46 M ) = 4.76
PH = 14 — 4.76 = 9.24
( d ) proton transfer reaction will takes place between two
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