In: Chemistry
A) How many grams of solid sodium
fluoride should be added to 2.00
L of a 0.190 M hydrofluoric acid
solution to prepare a buffer with a pH of 2.425
?
grams sodium fluoride = g.
B) How many grams of solid sodium
fluoride should be added to 1.00
L of a 0.299 M hydrofluoric acid
solution to prepare a buffer with a pH of 3.825
?
grams sodium fluoride = g.
C) How many grams of solid ammonium
bromide should be added to 1.00 L
of a 9.88×10-2 M
ammonia solution to prepare a buffer with a pH of
10.080?
grams ammonium bromide = g.