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A student dissolves 1.50g of copper(II) nitrate in water. After adding aqueous sodium carbonate solution which contains 1.80g of sodium carbonate, the student obtains 0.875g of CuCO3 precipitate. What is the percent yield?
One of the main reactions involved in the production of iron from iron(III) oxide as found in iron ore, proceeds according to the following balanced chemical equation
calculate th eapproximate freezing points of the following aqueous solutions (assume complete dissociation) a. 0.800 m NaCl b. 0.800 m
If we have a solution that contains 0.022 M Calcium and 0.014 Magnesium and we have to use potassium hydroxide to selectively precipitate one of the ions, while leaving the other ion in the solution.
If the vapor pressure of the pure liquids at 20.0deg C are 227 torrand 31.7 torr respectively, what will be the total vapor pressure of the mixture? Also, what will be the mole fraction of each compound in the vapor?
The mass percent composition of the compound is 53.31% C, 11.19% H, and the rest is O. What is the molecular formula of the compound
A light year is the distance light travels in 1.00 year. Given the velocity of light 1.86x10^5 mi/s. How many miles does the light travel in a light year
If 1.00 of argon is placed in a 0.500- container at 30.0 , what is the difference between the ideal pressure (as predicted by the ideal gas law) and the real pressure (as predicted by the van der Waals equation). For argon, and.
Will a precipitate form when a solution of sodium acetate and a solution of ammonium sulfate mix and what is the net ionic equation that describes the chemical change. what about for a solution of calcium chloride and a solution of mercury (I) nit..
KHC8H4O4 is dissolved n water and titrated to the equivalence point, with 26.45 mL of NaOH, what is the molar concentration of the NaOH
If 15.0 mL of 4.5 M NaoH are diluted with water to a volume of 500.0 mL, what is the molarity of the resulting solution? Please include explanation, balanced equation, and calculations.
A compound's 13C NMR spectrum shows a resonance at 176 and 85 ppm. What possible structural subunit does the compound contain
A 0.464 g sample of a compound containing the elements carbon, hydrogen, oxygen, and sulphur was burned completely, yielding 0.969 g CO2 and 0.198 g H2O. In a separate experiment, all the sulphur in another 0.464 g sample was converted to 0.859 g ..
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