Temperature of Hot water 100c° IDOC" Temperature of Water Bath 23C 23(0 231 23(° Volume of water which 26.9mL 47 mL g9.5mL 197mL entered the flask Volume of the flask 138mL 255 ml 550mL (volume of hot air) 1076 mL Volume of cold air 112MLL 209 mL 4505mL 879 mL (experimental) Volume of cold air (theoretical) Percent error
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- PgDn Ctrl Ins Del NW113AACE04–21 6. A student used Dumas procedure to calculate the Molar mass of a volatile liquid and collected following data. Calculate the molar mass of the volatile liquid using the data given Temperature of the water bath = 100.25 °C Mass of water remaining after condensation = 0.556 g Atmospheric pressure = 750 mmHg Volume of the Flask = 255 mLDesired Desired Initial Volume of Stock or Volume of Concentration Volume Concentration Previous Dilution Distilled Water (C2) (V2) (C1) (V1), µL (V2- V1), µL 100 mg/dL 1.2 mL 200 mg/dL 75 mg/dL 1.2 mL 100 mg/dL* 50 mg/dL 1.2 mL 25 mg/dL 1.2 mL46 50 52 60 41 46 55 Find the ff. WITH SOLUTION PLEASE MeanMedianModeSDVarianceCVQuartile 2Decile 7Percentile 25Percentile 30
- Part I. For each of the following four questions: calculate and describe how the requested solution would be made. Please show all of your calculations. In all cases the diluent or solvent will be water. Also, assume the smallest volume you can accurately pipette is 1ul. (CaClh: Molecular weight = 111.0 - NaCl: Molecular weight= 58.44) 1. From a 3M CaCh stock solution, you need to make 600 ml of 9 mM CaClh. Indicate how you would make it. 2. You have a 20ul sample of DNA that you want to run in a gel. You are given 5X track dye; how much track dye do you add to your sample so that the track dye concentration in the sample is 1X? 3. You need to make 6 liters of 20% NaCl solution. Indicate how you wvould make it firom powdered NACI.Physical Properties of Urine Properties Observations Color and Odor pH using universal indicator A1. After letting the urine stand for 1 hour, what changes have you observed? Explain your observations by identifying particulates that formed (if any) and citing causes of the odor and color of urine. A2. What is the acceptable pH range of urine? Cite the factors that can contribute to the changes in pH of urine?A nurse wants to know the what volume of Water for Injection, BP to be added to a vial containing 500mg doxorubicin to produce an injection with a concentration of 2.5 mg/mL. The displacement volume of doxorubicin is 0.3 mL/10 mg.
- 2. Absorbance Data Table Absorbance Concentration 0 mg/dL = blank %3D 0.09 Oi17 0.28 25 mg/dL 50 mg/dL 75 mg/dL 100 mg/dL 035 Unknown solution 6.14 3. Attach a graph of your standard curve. Show the point for the unknown solution on your graph, and determine the concentration of the unknown. Enter this value below (include correct units). Concentration of the unknown solution100 mL of 2.5 X NaOH solution from 50X NaOH solutionRx Of oxacinophtalmic solution 3% Disp. 10 mL How many milligrams of axacin contained in each milliter of the dispensed prescription?
- DATA Determine the Molar concentration of your dilutions using the formula M₁V₁ = M₂V₂. The initial molarity is 0.0001M (1x10-4M). M1 V1 1.56E-06 500uL Concentrations Tube 1 1.56E-06 Tube 2 Absorbance Tube 1 Tube 2 M2 Tube 3 Tube 3 V2 1000uL Tube 4 Tube 4 Tube 5 Tube 5 Tube 6 Tube 7 Tube 6 Tube 7 Tube 8 Tube 8 Tube 9 Tube 9 Tube 10 Tube 11 Tube 10 Tube 11 1050 mL of 15 mg/mL NaOH solution from 100 mg/mL NaOHAt blood pH 7.4 the molar ratio of bicarbonate and dissolved CO2 is: Group of answer choices 20 to 1 4 to 1 1 to 4 1 to 20When using an Indirect Ion Selective electrode: The measurement will not suffer interferences from lipids The measurement will not suffer interferences from proteins The sample will be analyzed without a dilution The sample will be analyzed after a dilution