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assume an unknown sample to

assume an unknown sample to be 15% copper, weigh enough dried ore sample to use approximatele 35-45mL of .09M S2O3-. How many
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2. asked by Jill
3. 1,078 views
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
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2. asked by alex
3. 1,134 views
25 observations are taken from a Normal distribution. The sample mean is 63. If we assume that variance is unknown and sample
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2. asked by euler
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Which of the following statements about the two sample sizes is NOT true? Assume thepopulation standard deviations are equalA.
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2. asked by arelis
3. 679 views
a distribution of scores has 6, but the value of the mean is unknown, a researcher plans to select a sample from the population
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2. asked by herry
3. 530 views
A 500 mL flask has a measured volume of 586.0 mL. A 0.608g sample of an unknown vapor occupies the flask at 373K at a pressure
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2. asked by Caroline
3. 552 views
Assume that a sample is used to estimate a population mean μ. Use the given confidence level and sample data to find the margin
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2. 86 views
A 0.642 g sample of an unknown gas was collected over water at 25 C and 1.04 atm. The collection cylinder contained 151.3 mL of
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2. asked by Anonymous
3. 1,977 views
a 1.32g sample on unknown containing KHP as a component was titrated with 22.48mL of 0.105 M NaOH to a pheolphthalein end point.
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2. asked by Anonymous
3. 762 views
A 0.18 g sample of unknown was placed in a flask and dissolved in 125 mL of deionized water. A solution of HCl (0.13 M) was used
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2. asked by Taylor
3. 572 views