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Questions (8)
Describe the preparation of 5 liters of a 0.3 M acetate buffer, pH 4.47, starting from a 2 M solution of acetic acid and a 2.5 M
2 answers
393 views
What are the concentrations of HOAc and OAc- in a 0.2 M “acetate” buffer, pH 5.0? The Ka for acetic acid 1.70x10-5 (pKa
0 answers
289 views
The Ka for a weak acid, HA, is 1.6x10-6. What are the (a) pH and (b) degree of ionization of the acid in a 10-3 M solution? (c)
0 answers
431 views
The weak acid, HA, is 0.1 % ionized in a 0.2 M solution. (a) What is the equilibrium constant for the dissociation of the acid
1 answer
359 views
How many (a) H+ ions (1 g-ion/L = 6.023 x 1023 ions/L) and (b) OH- ions are present in 250 ml of a solution of pH 3?
0 answers
412 views
What are the (a) [H+], (b) [OH-], (c) pH, and (d) pOH of a 0.002 M solution of HNO3?
0 answers
409 views
What are the (a) H+ ion concentration, (b) pH, (c) OH- ion concentration, and (d) pOH of a 0.001 M solution of HCl?
0 answers
292 views
The specific volume of solid ammonium sulfate is 0.565 ml/g. The solubility of ammonium sulfate at 0 oC is 706 g/1000 g water.
2 answers
1,110 views
Answers (1)
Thanks So Much....
