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46 50 52 60 41 46 55
Find the ff. WITH SOLUTION PLEASE
Mean
Median
Mode
SD
Variance
CV
Quartile 2
Decile 7
Percentile 25
Percentile 30
Step by step
Solved in 2 steps
- 4. Attheendoftheprocedureforthisexperiment,arecrystallizationisdoneina mixed solvent system. Which solvents are used? In which solvent is caffeine LESS SOLUBLE? Briefly explain the significance (i.e. why it is done) of adding one of the two solvents, “to turn the solution faintly cloudy,” during the recrystallizationComplete the table: Solute Mass of solute Moles of solute Volume of solution Molarity of solution MgSO4MgSO4 0.638 gg _____ 27.0 mLmL _____ NaOHNaOH _____ _____ 125.0 mLmL 1.35 MM CH3OHCH3OH 13.5 gg _____ _____ 0.480 MTable 2. Volume of BSA, protein content, and absorbance readings of reference solutions Solution Volume of BSA standard solution (μL) Protein content(μg/mL) Absorbance value At 595 nm 1 0 0 0 2 10 1 0.022 3 30 3 0.065 4 50 5 0.106 5 70 7 0.178 6 100 10 0.299 7 120 12 0.380 Make a graph by plotting the absorbance values versus the BSA protein content (in μg) for theseven reference solutions. When constructing the graph, be…
- You take a bottle of soft drink out of your refrigerator. Thecontents are liquid and stay liquid, even when you shakethem. Presently, you remove the cap and the liquid freezessolid. Offer a possible explanation for this observation.The strength of ionic interactions is weaker in water than inan anhydrous medium. Explain how water weakens theseinteractions.Construct a standard curve (absorbance versus protein concentration in the standards) Conc. (mg/ml) 0 0.25 0.5 0.75 1.0 Absorbance 0.000 0.126 0.249 0.361 0.464
- How are solutions classifiedaccording to their comparativetonicity?Draw and label the parts of a column. Include the amounts of buffer which is placed above/below the bed. Define: frit, matrix, and eluantFive identical biood samples were analyzed to deterttmine cholesterol level in a patient The feilwing values were ohtained 157, 154, 155, 152, 155. Calculate the standand enor of the mean (SEM) fo thee data
