Approximating a red blood cell as a sphere, calculate the red blood cell diffusion coefficient in um2 s1 given a radius of 5.2 um and approximation of blood as a dilute aqueous solution at 20°C.
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- What's the average concentration of NH3 in the commercial cleaning solution using the data Volume of Cleaning solution 10.00 for all 3 trials, molarity of HCl 0.0530 for all 3 trials, Volume of HCl first trial is 4.8 second trial is 4.4 and third trial is 4.4, Molarity of NH3 in cleaning solution first trial is 0.0254 second trial is 0.0233 and third trial is 0.0233. What's the diluted solution in all 3 trials?The osmotic pressures of solutions of an enzyme, denoted B, in water at 298 K are given below. Determine the molar mass of the enzyme. Cmass, /g dm-) 1.00 2.00 4.00 7.00 9.00 II/Pa 27 70 197 500 785 Slope: BRT Slope: BRTIM Intercept: RT Intercept: RTIM (a) Molar concentration, c, (b) Mass concentration, cmass,B Fig. 6 The plot and extrapolation made to analyse the results of an osmometry experiment (a) using the molar concentra- tion and (b) using the mass concentration. IVc, C mass,BWhat is the mean ionic activity coefficient for the ions M3+ and X1- of the ionic compound M1X3 if we could somehow magically know that y+ = 0.930 and y- = 0.473? %3D Type your answer...
- Calculate the gravimetric factor of the following. 2 Fe3O4 is sought(Analyte), 3 Fe2O3 is weighed (Precipitate)A solution of HCl was titrated against sodium carbonate. What is the average normality of acid in the given data? (MW Na₂CO3 = 106) T2 0.3479 0.3562 0.3042 Weight (g) Initial V (ml) 0.80 1.60 35.20 36.70 39.80 Final V (mL) Vol HCl used (mL) 35.10 39.40 N of HCl (eq/L) 0.1954 0.1870 Average N of HCl (eq/L)Pure toluene (C7H8) has a normal boiling point of 111.0°C, and the Boiling Point Elevation Constant is 3.40°C. When 25g of compound A (MM=100) is dissolved in 500g of Toluene, the boiling point of the solution is 113.2°C. Therefore, the activity coefficient of the compound (γA) in the solution is approximately: a) 1.3 b) insufficient data c) 0.65 d) 0.8 (The answer according to the professor is 1.3, but I have tried and can't get that answer, thanks for the help)
- Calculate the mean activity coefficient for a 0.0048 molar solution of NaCl. Answer:Calculate the gravimetric factor of the following. 2 Fe3O4 is sought(Analyte), 3 Fe2O3 is weighed (Precipitate) 2 Fe is sought(Analyte), 1Fe2O3 is weighed (Precipitate)Q.2 What are the activity coefficients for iron(II) and sulfate in an aqueous solution of 10 mM sulfuric acid, 5 mM calcium sulfate, and 3 mM iron(III) chloride?
- Q.5 What are the activity coefficients for iron(III) and sulfate in an aqueous solution of 10 mM sulfuric acid, 5 mM calcium sulfate, and 3 mM iron(III) chloride?Calculate the gravimetric factor of the following. 2 Fe is sought(Analyte), 1Fe2O3 is weighed (Precipitate)For weak electrolytes, such as acetic acid, at very low concentrations the molar conductivity drops rapidly as the concentration increases. However, at higher concentration, there’s only a slight decrease in the molar conductivity. True False