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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
1 answer
494 views
What is the concentrations of HOAc and OAc- in a 0.2 M “acetate” buffer, pH 5.0? The Ka for acetic acid 1.70x10-5 ?
sorry but
1 answer
473 views
Describe 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
2,560 views
What is 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 4.77)
5 answers
1,515 views
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)
3 answers
1,396 views
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 (Ka)?
1 answer
2,157 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?
2 answers
497 views
What is the (a) [H+], (b) [OH-], (c) pH, and (d) pOH of a 0.002 M solution of HNO3?
1 answer
1,015 views
What is the (a) H+ ion concentration, (b) pH, (c) OH- ion concentration, and (d) pOH of a 0.001 M solution of HCl?
1 answer
575 views
the concentration of HNO3 in a solution that has a pH of 3.4?
1 answer
809 views
