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Question: A 158.5 mg sample of pure Cu metal is dissolved in a small amount of concentrated nitric acid giving Cu2+ ions in a solution. It is then diluted to a final volume of 1.00 L. What is the molar concentration of Cu2+ ions in the final solution?
Given a vapor pressure of toluene of 21 mm Hg, at 760 mm Hg, what is the equilibrium concentration for toluene
Calculate the vapor pressure of ethanol at 30C (in mm Hg). Bp of ethanol 76 C.
The vapor pressure of water at 32 C is 35.7mmHg. What is the vapor pressure of water-ethylene glycol solution at 32 C? Ethylene glycol is non-volatile.
Calculate the [CH3CO2H] ionized in solution for 0.1M acetic acid knowing that ph= 2.9 [H+]= 1.26 x 10^-3 M , [OH-]= 7.94 x 10^-12 M
What compound could be added to a 0.10 M KC2H3O2 solution to make it an effective buffer. Also, write a balanced chemical reaction for the addition
Will ethyl acetate move fumaric and maleic acid up tlc plate. Can you explain in terms of polarity.
Question about Ideal gas law, Cyclopropane is used as a general anesthetic. If a sample of cyclopropane stored in a 2.00L container at 10.0 atm
Calculate the standard reduction potential and standard apparent free energy change for the transfer of a pair of electrons from FADH2 to 1/2O2. Show all calculations.
A sample of chlorine gas is confined in a 8.4 L container at 287 torr and 27°C. How many moles of gas are present in the sample
how many grams of C5H10O2 need to be dissolved in 50 mL of solution, in order to have a 0.1 molar solution?
How many liters of H2 gas, measured at 0.992 atm and 365 K, are required to synthesize 0.35 mol of CH3OH?
A balloon filled with 39.1 mol of He gas has a volume of 875 L at 0.0 degrees Celsius and 1.00 atm. The temperature is increased to 38.0 degrees Celsius as the balloon expands to 998 L at constant pressure. Calculate delta E for the He sample. C H..
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