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- To prepare a vaginal irrigation, a nurse uses 3 tsp of vinegar and 1.5 L of water. a. How many ml of vinegar should she use? b. If she prepares a solution using only 500 ml of water, how many ml of vinegar should she use?Doing Benedict’s test, how do positive and negative controls help you interpret your test results for an unknown substance? Explain in your own words. Do not copy and paste from google.Write a detail note on how to use a spectrometer to determine the concentration of glucose in an unknown solution. Mention each step how you will calibrate the spectrometer for this purpose.
- Write a detail note on how to use a spectrometer to determine the concentration of glucose in an unknown solution. Mention how you will calibrate the spectrometer for this purpose.1.You are given an unlabeled agar plate that is reddish in color. You do not know if it is MSA or MacConkey. What experiment would you do to find out? Explain what procedure you would do and what results you would expect to see on each plate to tell the difference.Two students independently determine the volume of water delivered by a 10.00-mL pipet. Each student takes 8 measurements, then computes the average volume delivered and the standard deviation. The results are tabulated below. Average St. Dev. Student A 10.4 mL ±0.7 mL Student B 10.00 mL ±0.02 mL Which statement best describes the results? 1)A: good precision, poor accuracy. B: poor precision, good accuracy. 2)A: poor precision, good accuracy. B: good precision, poor accuracy. 3)A: poor precision, poor accuracy. B: good precision, good accuracy. 4)A: good precision, good accuracy. B: good precision, good accuracy. 5)A: poor precision, poor accuracy. B: poor precision, poor accuracy.
- Explain any 2 advantages the fully automated analyser has over the spectrophotometer.Daisy accidentally broke the test tube after the calibration step. What should she do?a. Borrow the calorimeter of his labmate and use that in the next step of the experiment.b. Replace the test tube and proceed with the experiment.c. Replace the test tube and recalibrate.in your own interpretation n the given data, how to interpret the results using refractometer in fruit cocktail? and the results using salometer in canned mushroom? how does the food affects the concentrations?
- A flow cytometer is constructed of many components. For good quantitative results how and how frequently should the various systems be calibrated? What is MESF and how does it apply in flow cytometry?Answer the following questions: 1. Give the general steps in the use of a spectrophotometer. 2. Define the following: a. ) Optical Density b.) Transmittance c.) Beer's LawDefineWhat is reflectance photometry? How is it related to automation of urinalysis.
