Question
In: Chemistry
1) How many grams of solid potassium cyanide should be added to 1.50 L of a...
1) How many grams of solid potassium
cyanide should be added to 1.50 L
of a 0.236 M hydrocyanic acid
solution to prepare a buffer with a pH of 10.287
?
grams potassium cyanide =
______g.
-
2) The volume of water needed to dissolve
0.0661 grams of lead fluoride is
_____ L.
Assume no volume change upon addition of the solid.
Solutions
queen_honey_blossom answered 10 months agoRelated Solutions
a) How many grams of solid potassium cyanide should be added to 1.00 L of a...
a) How many grams of solid potassium
cyanide should be added to 1.00 L
of a 0.158 M hydrocyanic acid
solution to prepare a buffer with a pH of 8.688
?
b) How many grams of solid ammonium
chloride should be added to 2.00
L of a 0.171 M ammonia solution
to prepare a buffer with a pH of 9.940
?
c)
Design a buffer that has a pH of 7.98 using one
of the weak acid/conjugate base systems shown...
1. How many grams of solid sodium nitrite should be added to 1.50 L of a...
1. How many grams of solid sodium
nitrite should be added to 1.50 L
of a 0.106 M nitrous acid
solution to prepare a buffer with a pH of
4.058?
grams sodium nitrite = _____
g.
2. How many grams of solid sodium
cyanide should be added to 1.00 L
of a 0.196 M hydrocyanic acid
solution to prepare a buffer with a pH of
10.140?
grams sodium cyanide =
_____g.
1) How many grams of solid ammonium chloride should be added to 1.50 L of a...
1) How many grams of solid ammonium
chloride should be added to 1.50
L of a 0.273 M ammonia solution
to prepare a buffer with a pH of 8.540 ?
2) How many grams of solid sodium
hypochlorite should be added to
1.00 L of a 0.239 M
hypochlorous acid solution to prepare a buffer
with a pH of 8.109 ?
1. How many grams of solid sodium nitrite should be added to 1.50 L of a...
1. How many grams of solid sodium nitrite should be added to
1.50 L of a 0.159 M nitrous acid solution to prepare a buffer with
a pH of 4.126 ?
grams sodium nitrite = _____g
2. How many grams of solid sodium
nitrite should be added to 1.00 L
of a 0.134 M nitrous acid
solution to prepare a buffer with a pH of 4.123
?
grams sodium nitrite =
_____g.
How many grams of solid ammonium chloride should be added to 1.50 L of a 0.145...
How many grams of solid ammonium chloride should be added to
1.50 L of a 0.145 M ammonia solution to prepare a buffer with a pH
of 10.190 ?
5. A. How many grams of solid potassium fluoride should be added to 2.00 L of...
5.
A. How many grams of solid potassium
fluoride should be added to 2.00
L of a 0.212 M hydrofluoric acid
solution to prepare a buffer with a pH of2.374
?
grams potassium fluoride =
_____g.
B. How many grams of solid sodium
nitrite should be added to 0.500
L of a0.154 M nitrous acid
solution to prepare a buffer with a pH of 2.532
?
grams sodium nitrite = _____
g.
C. How many grams of solid ammonium
bromide...
A) How many grams of solid sodium fluoride should be added to 2.00 L of a...
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...
A) How many grams of solid sodium fluoride should be added to 1.00 L of a...
A) How many grams of solid sodium
fluoride should be added to 1.00
L of a 0.218 M hydrofluoric acid
solution to prepare a buffer with a pH of 3.847
?
grams sodium fluoride
= g.
B)How many grams of solid sodium
hypochlorite should be added to
0.500 L of a 0.297 M
hypochlorous acid solution to prepare a buffer
with a pH of6.803 ?
grams sodium hypochlorite
= g.
C)How many grams of solid ammonium
chloride should be added to 1.50...
How many grams of solid ammonium bromide should be added to 1.00 L of a 0.223...
How many grams of solid ammonium
bromide should be added to 1.00 L
of a 0.223 M ammonia solution to
prepare a buffer with a pH of 9.990 ?
How many grams of solid sodium nitrite should be added to 1.00 L of a 0.226...
How many grams of solid sodium
nitrite should be added to 1.00 L
of a 0.226 M nitrous acid
solution to prepare a buffer with a pH of 4.305
?
grams sodium nitrite
= g.
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