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If a solution contains 0.60 mol of OH^-, how many moles of H^+ would be required to reach the equivalence point in a titration?
The calcium in a second 10.00-mL aliquot was isolated as CaC2O4(s) redissolved in acid, and titrated with 12.21 mL of the EDTA solution. Assuming that 15 to 300 mg of magnesium and 50 to 400 mg calcium per day are normal, did this specimen fall wi..
A mixture of CaCO3 and CaO weighing 0.705 g was heated to produce gaseous CO2. After heating, the remaining solid weighed 0.474 g.
For caffeine, the partition coefficient between methylene chloride and water is approximately 8. If you add the following to a separatory funnel - 10 g caffeine,
Write the balanced molecular equation using K+ and Cl- as the spectator ions. If you were to balance the following equation that occurs in basic solution, how many electrons are being transferred overall?
Write a chemical equation for the formation of methionyl glycine from the constituent amino acids.
Write an equation of the dissolution reaction for each of the precipitates that was soluble in CH3COOH. Al2(SO4)3+NaOH
Calculate the binding energy for Cf-253 if one atom of this nuclide has an atomic mass of 253.08249. Express your answer in units of picojoules/nucleus where 1 picojoule = 1x10-12 joule.
A solution is prepared by adding 20.0 mL of 0.100 M KI to 20.0 mL of 0.100 M AgNO3. The potential of the solution is measured with a silver indicator electrode with respect to the saturated calomel electrode. Use activities in this problem.
write a chemical equation for the formation of Na and N2 from sodium azide
The enthalpies of formation of oxalic acid in the solid and aqueous phases are -826.8 and -818.8 kJ/mol, respectively. The heat capacity of water is 4.184 J/g*K. Ignore the heat capacity of oxalic acid.
What pH would you make the water layer in order to cause the acid to dissolve in the ether layer and the amine to dissolve in the water layer? d. How would you purify a mixture of benzoic acid, chlorobenzene, and cyclohexylamine?
a 200 gram sample of a large biomolecule was dissolved in 15 grams of carbon tetrachloride. the boiling point of this solution was determined to be 77.85 degees celcius. calculate the molar mass of the biomolecule.
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