could someone help me determine the osmolarity for these solutions? I’m supposed to do it without a calculator and using the clinical significant values for NaCl and glucose
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- The ΔG°′ value for glucose-1-phosphate is -20.9 kJ/mol. If glucose and phosphate are both at 4.8 mM, what is the equilibrium concentration of glucose-1-phosphate?How many grams of glucose (C6H2O6 molecular mass =180daltons) would be present in one liter of a 1M (molar) solution of glucose?The osmotic pressure of human blood is 7.6 atm at 37 °C. What mass of glucose, C6H12O6, is required to make 1.00 L of aqueous solution for intravenous feeding if the solution must have the same osmotic pressure as blood at body temperature, 37 °C?
- q44 please calculate the unknown concentration of the protein A wih an absorbance value of A188 given the standard curve indicated in the table. write your answers in numbers only with 2 decimals. protein concentration (ug/ml) absorbance 0 0.000 0.02 0.161 0.04 0.284 0.06 0.438 0.08 0.572 0.10 0.762A liter of a TPN solution contains 500 milliliters of 50 percent dextrose solution and 500 milliliters of 5 percent amino acid solution. Determine the daily energy and protein intakes of a person who receives 2 liters per day of such a solution. Calculate the average daily energy intake if the person also receives 500 milliliters of a 20 percent fat emulsion three times a week.Given the following information, calculate the total activity in the undiluted protein sample. Activity of 1 ml of diluted sample = 0.5 Total volume of sample = 5 ml Dilution factor = 10 25 50.5 250 2.5
- Using the equation for the best-fit straight line through your data, the average absorbance of your unknown samples U1 and U2, and any dilution factors (DON’T LEAVE OUT THE DILUTION FACTOR), calculate the concentration of protein in the original unknown protein sample. y = 1.6849x + 0.0414R² = 0.9904According to Aristotle’s density equation, if 3.161 grams of the sugar sucrose (C12H22O11) occupies a volume of 2.0 cubic centimeters, then sucrose must have a density of: 0.6327 grams/cm3 B. 1.5805 grams/cm3 2.322 grams/cm3 10.322 grams/cm3 25.288 grams/cm3A 0.0284 M aqueous solution of lactic acid, HC3H5O3, a substance that accumulates in the blood and muscles during physical activity, is found to be 6.7% ionized. Determine the value of Ka for lactic acid.
- According to Aristotle’s density equation, if 4.686 grams of the sugar glucose (C6H12O6) occupies a volume of 3.0 cubic centimeters, then glucose must have a density of: 14.058 grams/cm3 7.686 grams/cm3 1.686 grams/cm3 1.562 grams/cm3 0.6402 grams/cm3You are given a pure protein sample to characterize and provided the following information: Its molar extinction coefficient, ε280, is 0.25 liters micromole-1 cm-1 in both the folded and unfolded form Its ΔGo for unfolding is 1.5 kcal/mol at 37o (where RT = 0.59 kcal/mole) A) Using a 0.5 cm pathlength cell, you measure the absorbance at 280 nm of a 20-fold dilution of your pure protein in solution (by this, we mean that 50 ul of the protein sample was diluted to a final volume of 1 ml) and find A280 = 0.40. What is the original concentration of the protein before dilution? B) What is the concentration of the unfolded form of the protein in your sample?6 Concanavalin (ConA) is a 25.5KDa protein with pI of 4.7 and optical absorbance (A 0.1% 289) of 1.14. calculate the concentration of an aqueous solution of pure BSA protein with an absorbance of 0.66 at 280nm. give your answer in units of mg/ml ?