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Bovine serum albumin (BSA) is a biochemically useful protein. A 0.225 gram sample of bovine serum albumin is dissolved in water to make 0.117 L of solution, and the osmotic pressure of the solution at 25 °C is found to be 0.717 mbar. Calculate the molecular mass of bovine serum albumin.
solution of the monoprotic acid HBr is titrated, and 85.00 mL of 0.59M NaOH is required to reach the equivalence point. What is the original concentration of the acid solution?
What current is required to produce 91.6 g of chromium metal from chromium(VI) oxide in 12.4 hours?
Hydrogen and iodine gases react to form hydrogen iodide gas. H2(g) + I2(g) → 2 HI(g) At a certain temperature and pressure 0.70 L of H2 reacts with 0.70 L of I2.
Arrange the descriptions in order of increasing number of microstates in the resulting system.
Determine the number of grams of sodium acetate and the amounts in mLs of 6.00M acetic acid that you would need to make 50.00mL of a sodium acetate/acetic acid buffer solution at the pH equal to 5.00 in order to make a final concentration of 0.05M..
A buffer (pH 3.70) was prepared by mixing 1.00 mole of formic acid and 1.00 mole of sodium formate to form an aqueous solution with a total volume of 1.00 L. To 400 mL of this solution was added 50.0 mL of 1.00 M NaOH. What is the pH of this solut..
write the expression for the base dissociation constant for hydrazine, N2H4, a weak base. Hydrazine reacts with water to form the N2H5+ ion.
Half-life of first order process, A reactant undergoes a dissociation reaction A r arrow 2B which follows first order kinetics. The initial concentration of reactant A is .4000
Selective precipitation, fractional precipitation, amphoteric precipitate solubilization, competitive equilibrium solubilization: anion protonation, competitive equilibrium solubilization
What is the Freezing point of an aqueous glucose solution that has 25.0g of glucose, C6H12O6, per 100.06 H2O (Kf=1.86)
spontaneous chemical reactions produce products which are more energetically stable than the reactants which form them. A strong acid reacts with a strong base to produce water and the free ions of a salt.
what vibrational bands would be prominent in the Ir spectra of 3-aminoacetophenone and 1-(3nitrophenyl) ethanol? at approximately
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