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A solution of copper complex has a molar absorptivity of 57.8 L.mole at a wavelength of 600nm. A solution of this complex in a 1 cm cuvette had an absorbance of0.760 at this wavelength. Calculate the molarity of this solution.
The principle quantum number defines the shell (which is roughly, but not quite exactly, the row, or period, of the periodic table). Demonstrate the difference between the rows of the periodic table
How much energy is released per Kg of Dilithium formed? Mass of one atom of 6 Li is 6.015121 amu. Do not know where to start.
calculate the theoretical yield and percentage yield of cyclohexene: cyclohexanol used- 20.0 ml cyclohexene obtained- 12.0 g
How many milliliters of 0.10 M HCl must be added to 21.9 mL of 0.40 M HCl to give a final solution that has a molarity of 0.25 M
calculate the volume, in liters, occupied by 3.25 moles of Cl2 gas at 1.54 atm pressure and a temperature of 213 degrees celcius?
If the pressure increases to 800. torr, how many moles of gas were added to the container? Assume a constant-volume container.
A 29.0-g sample of ice at -11.0°C is mixed with 113.0 g of water at 71.0°C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
The air in a laboratory was measured with a barometer to be 7.40 x 100 to the 2 power mm Hg. What is the laboratory air pressure in atm?
how many grams of CaCl 2 would be required to produce a 3.5 M(molar) solution with a volume of 2.0 L?
Identify the potential donor atoms in each of the following Lewis bases and classify the donor atom(s) as hard soft or borderline bases
Sulfamic acid is a primary standard that can be used to standardize NaOH. What is the molarity of a sodium hydroxide solution
A 1L flask is filled with 0.25 mol N2and 0.65 mol H2 at 20 oC. These gases react to make NH3, heating up the flask to a temperature of 45 oC.
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