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a 1.00 L solution contains 4*10^-4 M Cu(NO3)2 and 1.6*10^-3 M ethyleneddiamine. the Kf for Cu(en)2^2+ is 1*10^20, what is the concentration of Cu+2 in the solution
Explain in detail including all resonance arguments why electron withdrawing groups are found to be meta directors,
At the temperature that both stages are operating at, the vapor pressure of A is 10 kPa and the vapor pressure of B is 100 kPa. The liquid and vapor phases leaving each unit are in equilibrium. Find the composition ..
Calculate the molarity of the 25.0 mL sample of 0.100 acetic acid which was diluted with 25.00 mL H2O
The mass ratio of sodium to fluorine in sodium floride is 1.21:1. a sample of sodium fluoride produced 26.5g of sodium upon decomposition how many grams of fluorine was formed.
how many grams of carbon dioxide are produced when 2.50g of sodium hydrogen carbnate reacts with excess citric acid according to the equation: 3NaHCO3 + H3C6H5O7 -> Na3C6H5O7 + 3CO2 + 3H2O.
undergoes beta decay with a half life of 3.1 minutes. Assume you begin with 1.0 grams of the thallium isotope, what mass of the isotope will be left after 9.3 minutes have elapsed?
A concentration of the pollutant NO2 in air of 3.00 ppm (m/v) may be lethal to humans. Will air that contains 1.9 x 10^-3g at NO2 per liter be lethal to humans?
A solution containing the thiourea complex of bismuth (III) has a molar absorptivity of 9.32*10^3 l/mol*cm at a wavelength of 470 nm
Use the Nutritional information on the food bag to calculate the calories per gram? How does this information compare to your information? How do you explain the discrepancy? How could you do the experiment differently to get a more accurate value..
The oxide is first reduced to Fe^2+, the Fe^2+ requires 4.00mL of 0.0200 M KMnO4. The reaction in acid is: 5Fe^3+ + MnO4^- + 8H^+ ---------> 5Fe^3+ + Mn^2+ + 4H20. Calculate the mass of Fe, and the mass of Fe2O3.
Calculate the concentration of chloride ions when 100.0 mL of 0.205 M sodium chloride is mixed with 250.0 mL of 0.150 M calcium chloride.
Suggest at least one characteristic absorption each in the IR-spectra of 9-fluorenone and 9-hydrofluorene that could be used to distinguish between these two compounds
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