Asked by dylan
which of the following represent a buffer system?
A.) NaOH and NaBr
B.) HF and NaF
C.) HC2H3O2 and C12H22O11
D.) HCl and KOH
A.) NaOH and NaBr
B.) HF and NaF
C.) HC2H3O2 and C12H22O11
D.) HCl and KOH
Answers
Answered by
DrBob222
A buffer is
a. a weak acid mixed with a salt of the weak acid. (example: acetic acid and sodium acetate)
b. a weak base mixed with a salt of the weak base. (example: NH3 + NH4Cl)
c. a combination of salts/acids OR salts/bases that produce either a or b above. (examples: HCl + excess sodium acetate OR NaOH + excess NH4Cl)
a. a weak acid mixed with a salt of the weak acid. (example: acetic acid and sodium acetate)
b. a weak base mixed with a salt of the weak base. (example: NH3 + NH4Cl)
c. a combination of salts/acids OR salts/bases that produce either a or b above. (examples: HCl + excess sodium acetate OR NaOH + excess NH4Cl)