Questions LLC
Login
or
Sign Up
Ask a New Question
Science/Technology
Chemistry
Analytical Chemistry
If you run an unknown sample and it is darker than your highest standard on your standard curve, what do you report as the concentration?
1 answer
Greater than (fill in your highest concn) OR you can extrapolate the graph in some circumstances and read it.
You can
ask a new question
or
answer this question
.
Similar Questions
If you want to determine the actual salicylate concentration for a sample that gives you a darker color than the highest
Top answer:
Wouldn't that be 0.4mg/mL x (1.00/0.25) = ?
Read more.
A standard addition method is used to determine the concentration of ethanol in an
unknown sample. Six 10 mL aliquots of the
Top answer:
Making ethanol concentrations of: 0.40% 0.30% 0.20% 0.10% 0.05% To make the 0.40% ethanol from stock
Read more.
A standard addition method is used to determine the concentration of ethanol in an
unknown sample. Six 10 mL aliquots of the
Top answer:
Is there a question here? Is there any absorbance data here? I don't see either.
Read more.
what is the unknown standard deviation of this problem Ho: m=4.7 Ha: m<4.7 alpha 1% standard deviation: unknown after a random
Top answer:
Are you talking about Standard Error of the mean (SEm)? SEm = SD/√n
Read more.
An unknown distribution has a mean of 90 and a standard deviation of 16. Sample size n=64 are drawn randomly from the
Top answer:
The standard deviation of the sample mean, also known as the standard error, can be calculated using
Read more.
if the ration of water drops to EDTA is 6.7 for the known sample and 10 for the unknown sample what is the concentration of the
Top answer:
I would set up a proportion. 315ppm/6.7 = xppm/10 and solve for x.
Read more.
It is possible, although less accurate, to do a standard addition with only one sample. An unknown Fe sample was analyzed by AAS
Top answer:
I think one way to do it is this way. 0.205A = 1.5 ppm + x sample 0.160A = ..........x sample
Read more.
It is possible, although less accurate, to do a standard addition with only one sample. An unknown Fe sample was analyzed by AAS
Top answer:
You could probably set up a proportion. so.... 0.160/x= 0.205/1.5ppm Solve for x.
Read more.
An unknown distribution has a mean of 90 and a standard deviation of 10. Sample size n=36 are drawn randomly from the
Top answer:
The value that is 3 standard deviations above the mean of the sampling distribution can be found
Read more.
An unknown distribution has a mean of 90 and a standard deviation of 16. Sample size n=64 are drawn randomly from the
Top answer:
The standard deviation of the sampling distribution can be calculated using the formula: Standard
Read more.
Related Questions
from a normally distributed infinite number of iron bars lengths with a mean and standard deviation as 4 ft. and 0.6 ft.
An unknown distribution has a mean of 80 and a standard deviation of 12. A sample size of 95 is drawn randomly from the
Question: A student spots an unknown sample on a TLC plate and develops it in pentane solvent. Only one spot, for which the Rf
A sample of 40 observations is selected from one approximately normal population. The sample mean is 102 and the sample standard
Which of the following samples has the highest specific heat capacity?
a) A 100 kg sample of lead requires 13 000 J to increase
A 1.45 g sample of an unknown compound is dissolved in 25.00 mL benzene (d=0.879 g/mL). The solution freezes at 4.25 C. What is
sample was obtained from a population with unknown parameters. scores: 6, 12, 0, 3, 4
compute the sample mean and sandard
An unknown distribution has a mean of 90 and a standard deviation of 16. Samples of size n=64 are drawn randomly from the
Which of the following statements about the two sample sizes is NOT true? Assume thepopulation standard deviations are equal
A.
a distribution of scores has 6, but the value of the mean is unknown, a researcher plans to select a sample from the population