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A solution containing the complex formed between Bi(III) and thiourea has a molar absorptivity of 9.32x10^3 Lxcm^-1xmol^-1 at 470 nm. What is the absorbance of a 6.24 x10^-5 M solution of the complex in a 1.00-cm cell? What is the percent transmittance of the solution? What is the molarity of the complex in a solution that has the same absorbance, but was measured in a 5.00-cm cell?
Glutathione is a tripeptide found in mainly living cells. Limited hydrolysis yields Cys-Gly and Glu-Cys.
Calculate the concentration of the hidroxide ion in a solution where (H3O) is 0.32M. Asume the solution is at 25C and the Kw=1.0 x 10^-14.
A 10.0 ml solution of 0.050 m agno3 was titrated with 0.025m nabr in the cell: s.c.e. || titration solution | ag(s) determine the cell voltage for these volumes of titrant: 0.1ml and 30.0 ml.
A certain substance has a heat of vaporization of 69.66 kJ/mol. At what Kelvin temperature will the vapor pressure be 4.50 times higher than
find the ph of the two equivalence points and the volume (ml) of 0.0414 M KOH needed to reach them in the titration of 17.3 mL of 0.130 M H2co3 (first equivalent point = ML KOH, and pH= )
Explain Milk of Magnesia is a suspension of magnesium hydroxide in water. A common medicine, it is frequently used as an antacid for the reason that it neutralizes hydrochloric acid in the stomach
Does adding boiled, deionized water to the titrating flask to wash the wall of the erlenmeyer flask and the buret tip increase, decrease, or have no effect on the Ksp
What is the molality of lauryl alcohol in a solution of 17.1g lauryl alcohol dissovled in 185g ethanol, C2H5OH?
the density of aluminum is 2.70 gcm3. a piece of foil that is 10.00 cm on each side has a mass of 440. mg. how thick is
3NaHCO3(aq) + H3C6H5O7(aq) → 3CO2(g) + 3H2O(l) + Na3C6H5O7(aq) How many moles of Na3C6H5O7 can be produced if one tablet containing 0.0119 mol of NaHCO3 is dissolved?
Compute the mass in grams of NaCl necessary to make 100mL of a 0.100 M NaCl stock solution.
When 3.761 g of a hydrate of strontium chloride is heated to 60 degree celsius it forms strontium chloride dihydrate of mass 2.746 g. What is the formula of the original sample
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