Why would precision not matter when you are calibrating a pipette? Background info: You are counting the number of drops of hexane that are equal to 1 millimeter.
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Why would precision not matter when you are calibrating a pipette? Background info: You are counting the number of drops of hexane that are equal to 1 millimeter.
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- Categorize each as a determinate or an indeterminate error and further classify determinate errors as instrumental, method or personal.d) The tip of the pipet used in the analysis is broken. e) In measuring the same peak heights of a chromatogram, two technician each report different heights.Why Rf value is important in Chromatography? Please shortly answer at your own words. Answer should be the point (specific 4-5 lines).What is the retention factor (Rf) of the most polar and least polar spot present in the standard ink? (Use 2 significant figures)
- Please help me, double and triple check your answers. there are 2 parts attached as 2 screenshotsProvide full complete solutions do not round off numbers and show proper labelling and cancellations Answer question #1, use ms excel for plot and include the screenshot and.Write TRUE if the BOLD word/phrase makes the statement correct. Otherwise, write the correct WORD/PHRASE that will make the statement true. If there are two bold words/phrases in a number, write your answer for EACH of the bold words/phrases. 1.The stationary phase in the paper chromatography experiment is filter paper. 2. When spots are too concentrated, the spots will appear as a streak rather than a spot.
- Make a photocopy of the chromatogram given. Cut out the peaks and weigh them on an analytical balance. Use the weights to calculate the percentage of each component in the mixture.When the bottom of the meniscus coincides with the calibration mark, your pipette contains the precisely measured volume. true or falseThe labware we used in Quant Lab is divided into “qualitative” or “quantitative” analytical purpose. One of the important laboratory skills we learned is to know what specific apparatus is appropriate for the task at hand. For the following procedures, which SPECIFIC glassware, or balance ( CORRECT NAMES, be specific ) should be used? Weigh 1.5 g of hydroxylamine to be ready for the spectrophotometric determination of iron. ______________________ Weigh three crucibles in gravimetric analysis. __________________ Measure out 2 mL of concentrated H2SO4 solution to dissolve the copper oxide ore sample.. _________________
- Chemistry Consider the following chromatogram. The early eluting peaks and later eluting peaks exhibit a problem. Propose a way in gas chromatography to eliminate both problems.Draw 1 molecule of each analyte in correct relative position on the platePlease answer these questions for ion chromatography?