An analyte has a Rf value of 1. What does that say about the solubility of the analyte in the mobile phase as compared to the stationary phase?
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- An analyte has a Rf value of 1. What does that say about the solubility of the analyte in the mobile phase as compared to the stationary phase?
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- An analyte has an Rf value of 0. 75 What does that indicate about the solubility of the analyte in the mobile phase as compared to the stationary phase?A student was careful to make and stir all of her standard solutions immediately before measuring their turbidity for her calibration curve. However, she let her tap water solutions sit for 10 minutes prior to measuring their turbidity. If she measured the top portion of the solution, would her experimental sulfate ion concentration be higher or lower than it should be?From a 10-mL sample, a 1-mL aliquot was taken and diluted to 100mL. From this, a 5-mL aliquot was taken and diluted to 20mL.The final 20mL was found to have a concentration of 0.004M analyte X.What is the concentration of analyte X in the 10-mL sample?
- In RPLC, The retention of a basic analyte in RPLC decreases as the mobile phase pH increases. True or False?van Hoff factor for trial 1 is 1.79 and trial 2 is 1.99 assigned salt is KClA pain reliever is soluble in cold water to the extent of 1.0g/1310 mL and soluble in diethylether to the extent of 1.0/90 mL. What is the approximate distribution coefficient?
- Determine a procedure to accurately create a 1.5•10^-6 mg Fe/mL solution using a 0.0500 mg Fe/mL standard solution and only having access to 100.0 mL volumetric flasks and 1.00, 2.00, 3.00, 4.00, 5.00 and 10.00 mL volumetric pipets. (You may have it make more than one solution by dilution to accomplish this)I'm working on a pre-lab report for chemistry regarding retention factors. The question asks what is the maximum distance the indicator band will travel? Is the indicator band sometimes referred to as the indictor spot?Is it possible for a single molecule to test true positive in all the qualitative assays? Why or why not?
- In your own words, discuss the reason why stray light should be minimized. How does stray light affects the measurement of certain analyte.In your own words, discuss the reason why stray light should be minimized. How does stray light affects the measurement of certain analytesA mixture of pure BaCO3 and pure Na2CO3 weighs 1.000 g and has the total neutralizing power of 15.37 meq of CaCO3. Calculate the percentage of combined CO2 in the mixture and the weight of Li2CO3 that has the same neutralizing power as 1.000 g of the above mixture. Instructions: Include up to 4 decimal places See sample photo for the format of solution