Question
In: Chemistry
To obtain a resolution of 1.50, how many theoretical plates must a packed column have for...
To obtain a resolution of 1.50, how many theoretical plates must a packed column have for two peaks which elute at 5.42 and 5.63 minutes, where tm = 1.00 min? With a resolution of 1.50, are these peaks considered to be resolved?
Solutions
queen_honey_blossom answered 3 years agoRelated Solutions
how can the diameter and hight and type of packed effect the prcess in scrubber column
how can the diameter and hight and type of packed effect the
prcess in scrubber column
An HPLC column received from a manufacturer was specified to have 4000 plates measured under standard...
An HPLC column received from a manufacturer was specified to
have 4000 plates measured under standard conditions with a test
compound. When the customer repeated the test she found only 1500
plates, despite a symmetrical Gaussian peak shape. What might
account for this?
At least how many normal subgroups of a group must have?
At least how many normal subgroups of a group must have?
a. How many people must be surveyed to obtain the percent of the population that has health insurance to within 4% with 90% confidence?
a. How
many people must be surveyed to obtain the percent of the
population that has health insurance to within 4% with
90% confidence? b. How
many subjects must be sampled to estimate the mean annual expense
of a family on cell phones to within $4 with
99% confidence. Assume the population standard deviation is $9.
[7] How many MB of video memory is required to display an image with a resolution...
[7] How many MB of video memory is required to display an
image with a resolution of 1,920 x 1,080 pixels and 65,536 colors
(2^16colors)? However, 1 [MB] = 1,000 [kB] and 1 [kB] = 1,000
(B).
[8] What is the amount of video memory required to display an
image with a resolution of 1,600 x 1,200 pixels and 65,536 colors
(2^16 colors)? However, 1 [MB]= 1,000 [kB], 1 (kB] = 1,000
(B).
[9] Minimum required for video distribution at...
How many moles of NO2 (g) are required to react with 1.50 moles of water to...
How many moles of NO2 (g) are required to react with 1.50 moles
of water to produce 4.00 moles of nitirc acid?
What is the theoretical minimum frequency a photon must have in order to create a photoelectron?...
What is the theoretical minimum frequency a photon must have in
order to create a photoelectron? Show work to support your
answer.
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.
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