Q: Increasing reagent concentration makes the change in pAg larger.
A: we know, pAg = -log[Ag+]. so with increasing the concentration of reagents,pAg decreases. Option C…
Q: The original solution was diluted by a factor of three, and then the absorbance of the diluted…
A: According to Lambert Beer law, the absorbance of a solution is directly proportional to its…
Q: Standard addition. Analyte in an unknown gave a signal of 10.0 mV. When 1.00 mL of 0.050 0 M…
A: Given, The Unknown signal of 10.0 mV 1.00 mL of 0.050 0M standard was added to 100.0 mL of unknown…
Q: C. Nickel in a sample was determined using a new procedure where six replicate samples resulted in a…
A:
Q: The obtained plot in the detector of HPLC is called, O peak O bell O triangle area
A: HPLC stands for high performance liquid chromatography which is a separation technique and the…
Q: economical purification technique that ca n be pure material? O Distillation O Another extraction…
A:
Q: [S] (mM) Product formed (µmol min-') 1.5 0.21 2.0 0.24 3.0 0.28 4.0 0.33 8.0 0.40 16.0 0.45…
A:
Q: Briefly explain why internal standardization method is useful in analytical chemistry?
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: This method is to be used when measuring the volume of a solution containing sufficient reagent to…
A: In the given question, correct method for the given statement needs to be determined.
Q: Relative Standard Deviation of UV Vis, please explain.
A: A question based on RSD, which is to be accomplished.
Q: The following table was written after using sieve analysis method on a paracetamol powder. Sieve…
A:
Q: if a researcher includes a plateau of data points when fitting a linear trendline, what impact can…
A: Answer. Regression analysis is a technical measurement used to analyse linear regression. It…
Q: Mixtures are not separated to their pure components by: Select one: O a. distillation O b.…
A: A mixture is defined as which is made up of two or more pure components. For example: salt and water…
Q: How can I calculate the concentration from a GC/MS chromatogram which is having retention time and…
A: GC-MS chromatography also called the gas chromatography mass spectrometry is an analytical tool to…
Q: Which matches the data?
A: Explanation Nuclear magnetic resonance spectroscopy (NMR) The importance is on the 1H proton NMR…
Q: Label the parts of this chromatography column. "A" "B" "C" "D" "E" "F"
A: Chromatography - It is a laboratory technique used for the seperation of a mixture. The mixture is…
Q: . Describe volumetric quantitative analytical methods.
A: In chemistry, there are many ways to check the deviation of experimental data from the accurate…
Q: systematic
A: The separation of compounds under the influence of the mobile phase and the stationary phase is…
Q: The detection limit is the lowest measurable concentration True
A: The detection limit is nothing but the lowest quantity of a substance that can be distinguished from…
Q: 70 60 50 40 30 20 10 PPM TTT
A: Based on given C-13 NMR spectrum the compound should have 4 types of carbon, as the the C-13 peaks…
Q: Molisch Test Reagent’s Composition Observations: Inferences:
A:
Q: Kinetic Data Collection Time, t (s) Volume of added base (mL) Flrst additlon 40 0.50 Second addition…
A: Given: Concentration of NaOH stock solution = 0.01 M Concentration of t-BuCl stock solution = 0.2 M…
Q: At what stage was the internal standard added to the prepartions, in the protocol of this…
A: Step : 1 The required answer for the above question is follows as :
Q: explain importance of Gravimetric Analysis when it comes to operation/s of each procedure/method?…
A: Gravimetric analysis is a process or method to determine the quantity of analyte on the basis of…
Q: 1. Provide two advantages and two disadvantage of flow cytometry analysis. Briefly explain each.
A:
Q: A 10.00 g sample containing an analyte was transferred to a 250 mL volumetric flask and diluted to…
A: Given, sample is 10 g which is transferred to 250 ml volumetric flask. The first signal after…
Q: Derivatiztion of sample is carried out to: a) Improve analyte peak shape analyte resolution b)…
A: Derivatization of sample is carried out to, (a) Improve analyte peak shape (b) Increase the detector…
Q: Compare the quantities For a normal phase chromatographic technique: KA > KB Choose A if Polarity of…
A: Given, For a normal phase chromatographic technique :…
Q: Detector response is corrected to take in account dilution before being plotted on the y-axis. O…
A: True
Q: Two students A, B did the Flame photometric analysis by different atomization methods in which the…
A: Flame Atomic Absorption Spectroscopy (FAAS), commonly called flame spectroscopy is a branch of…
Q: Column A Cesponse Unretained peaks Compound Y Compound X Time (min) 8 min. Compound Y Column B…
A: We can decide the effectiveness of resolution in column chromatography based on the nature of the…
Q: what is the resolution
A: Resolution measures the number of pixels in a digital image or display. It is defined as width by…
Q: A HPLC column had a sample (0.10ml) loaded onto it. The detector volume showed 0.15 mL. From this…
A: Before starting any troubleshooting, whether it is related to instruments or columns, it isessential…
Q: Consider the chromatogram that t3=20 sec, calculate for its number of theoretical plates: " 12 Ty…
A: Here we are required to find the number of theoretical plates
Q: In a chromatographic experiment, a mix of 3 compounds are separated. The following data are…
A: The mass percentage of compound C is needed to be calculated from the given chromatographic data.
Q: 1) Comment on the Pearson’s R of the generated line equation, before you compute for the unknown…
A: We are given the concentration and absorbance data for the standard reference solution. Also the…
Q: If the selectivity factor is equal to 1, the peaks are separated. True or False?
A: The given statement is If the selectivity factor is equal to 1, the peaks are separated.
Q: why is it important to apply the percent volume and percent retrieval in separation of mixtures…
A:
Q: How do you analyze a sample in “weight basis” or as received basis”?
A: There are many spectroscopy techniques to analyse the sample 'weight basis ' or as received basis
Q: Reason why a reference material must be analysed side by side with the sample in in DSC analysis
A: Differential Scanning colorimetry (DSC) is a technique to determine the temperature and heat flow…
Q: If peak A has a width of 10 min and peak B has a width of 16 mins, what is the column resolution?
A: Given :- Width of peak A = WA = 10 min Width of peak B = WB = 16 min Column resolution = ?…
Q: Choice of a paper and solvent are main back bones of paper chromatography .comment.
A: Chromatography is a analytical technique, which is used for separation of mixture of gases or…
Q: A technician injects a sample twice back to back into a C18 General Purpose HP column. Sample…
A: One extra peak in first injection may be due to the presence of contamination from septum, injection…
Q: Comparison of fingerprint region between literature and experimental spectra.
A:
Q: volume
A: ✓The relative standard deviation is widely used in analytical chemistry to express the precision and…
Q: Should you increase the diameter or length of the chromatography colum for increasing throughput?
A:
Q: Before inserting the cuvette into the spectrometer, make sure the cuvette is wiped clean with a…
A: Cuvette has two clear sides and two frosted sides and wiped with chemwipes to clean tha droplets and…
Q: Data Sheet: Assuming that the following data were the result of the experiment, compute for the %…
A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…
Q: what is the effect on the chromatographic peak if a. inserting/adding sample too slow b. column…
A: Effect of chromatographic peak on a. inserting/adding sample too slow b. column temperature is too…
Step by step
Solved in 2 steps
- Which of the following is incorrect: a. General steps in quantitative analysis include: Method selection, sampling, sample processing, calibration & measurement. b. Quantitative analytical methods include: gravimetric, volumetric, spectroscopic and electroanalytical methods. c. The first step in sample processing is sample preparation. d. Replication improves the quality of results and their reliability. e. In quantitative analysis there should be a inverse proportionality between a measured property and the concentration or amount of substance. Please fill in the spaces one of the following characters (a or b or c or d or e) Answer:1. Samples that should not be stored should be prepared/analyzed as soon as possible, especially for measurement…a. hardnessb. Nitritec. Conductivityd. Phenol 2. The following are general sample treatments in pesticide analysis, except…a. Extractionb. Cleaningc. Concentrationd. FilteringWhich of the following is incorrect: a. General steps in quantitative analysis include: Method selection, sampling, sample processing, calibration & measurement. b. Quantitative analytical methods include: gravimetric, volumetric, spectroscopic and electroanalytical methods. c. The first step in sample processing is sample preparation. d. Replication improves the quality of results and their reliability. e. In quantitative analysis there should be a inverse proportionality between a measured property and the concentration or amount of substance.
- analytical balanceb. top-loading balancec. serological pipetted. graduated cylindere. burettef. volumetric flaskg. Erlenmeyer flaskh. beaker Define the term, “measurement uncertainty”. Among the instruments listed above, which ones have the highest uncertainty? Which ones have the lowest?D. Pls answer asap . Pls provide accurate answer. Help me thank uuu. Handwritten thank u.B. Pls answer asap . Pls provide accurate answer. Help me thank uuu. Handwritten thank u.
- Plz do Asap....! With proper answers.....!"Precision" is the ___________ of a measurement a. probability b. repeatability c. variability d. exactnessShow ALL calculations pls. Don't reject if you dont know how to answer I need this. a. What are the average values for vph and vmo? Include calculation of net volume and errorsb. What is/are the component/s of the soda ash sample? c. Calculate the percent composition of the component/s. No need to include error propagation, but you still need to apply Significant Figure rules.
- Which of the following is true regarding calibration curve? O a. Most calibration curves show positive or negative deviations after certain value of concentration. O b. They are plots between response and concentration. O C. A and B are correct. O d. A andB are not correct.Plzz answer ... ASAPPls help me with the following question and make sure it’s 1000% correct pls and thank you !!