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Problem- Androstenedione, which contains only carbon, hydrogen, and oxygen, is a steroid hormone produced in the adrenal glands and the gonads. Combustion analysis of a 1.893-g sample of androstenedione produced 5.527g of CO2 and 1.548g H2O. The molar mass of androstenedione is 286.4g/mol.
Find the molecular formula for androstenedione
Please show work and steps so that I can understand myself as well. Thank you
The atomic weight of a newly discovered el-ement is 10.600 amu. It has two naturally occuring isotopes. One has a mass of 10.000 gms and a natural abundance of 70.000%. What is the isotopic mass of the other isotope?
Sample were collected in a zinc smelter to determine the exposure of a furnace tender to lead fume during his normal work duties which involves "furnace draws" and general activities around the furnace.
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octane has a density of 0.692 grams per centimeter cubed at 20 degrees celcius . how many grams of oxygen molecules are
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How many moles of a metal chloride (MCl2) will dissolve in 2.0 liters of 0.050 M NaCl solution. (Ksp for MCl2 = 1.24 x 1-^-10)
Calculate the molar solubility of calcium hydroxide in a solution buffered at pH = 3, pH =7, pH = 9. Ksp value for Ca(OH)2 from the textbook: 4.68*10^-6
For the cell as written, what is the voltage after the addition of the following volume of NaI solution? The reduction potential for the saturated calomel electrode is E = 0.241 V. The standard reduction potential for the reaction
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A current of 11.3 A is applied to 1.25L of a solution of .552M HBr converting some of the H+ to H2(g).
Calculate the potential at a platinum electrode in the titration of 50.0 mL of 0.100 M FeSO4 after addition of 7.00 mL of 0.0500 M KMnO4.
What is the concentration of the final solution obtained when 200.0 mL of a 0.00600-M solution of Red #40 dye is added to 400 mL of a 1.2 x 10^-2 solution of Red #40 dye to make a total volume of 600.0 mL?
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