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A solution is prepared by dissolving 0.19 of acetic acid and 0.19 of ammonium chloride in enough water to make 1.0 of solution. What is the concentration of Ammonia in the solution
In the reaction of Fe3O4 with carbon to form carbon dioxide and iron, the number of moles of carbon required to convert 23 g of Fe3O4 to products is
Calculate the molar mass for each of the following. Express your answer to four significant figures and include the appropriate units. Cl2 C3H6O3 Mg3(PO4)2 AlF3 C2H4Cl2 SnCl2
A 0.351 L solution of 1.41 M oxalic acid (Ka1 = 6.5e-2 and Ka2 = 6.1e-5) is titrated with 1.25 M KOH. What will the pH of the solution be when 0.7008 L of the KOH has been added
Solid calcium oxide reacts with solid ammonium chloride to produce gaseous ammonia, gaseous water, and solid calcium chloride. If 112 grams of calcium oxide were mixed with 224 grams of ammonium chloride
A solution is prepared by dissolving 3.65 g of an unknown nonelectrolyte in 15.00 g of cylcohexane (tf = 6.6 oC and kf = 20.0 oC/m).
How many mL of 2.00 M Na2CO3 is diluted with water to prepare 300 mL of 0.500 M Na2CO3
A mixture of 1.374 g of H2 and 70.31 g of Br2 is heated in a 2.00-L flask at 700 K. The following equilibrium is established: H2(g) + Br2(g) ? 2HBr(g) At equilibrium the vessel is found to contain 0.566 g of H2.What is Kp for this reaction?
q once the solvent front reaches the top of the chromatographic paper solvent begins to evaporate from the top edge of
An environmental engineer analyzes a sample of air contaminated with sulfur dioxide. To a 500-mL sample at 700. torr and 38 degrees celcius, she adds 19.50 mL of 0.01017 M aqueous iodine
write the reaction that occurs when ammonia and acetic acid are mixed. b. Although ammonia and acetic acid are weak electrolytes, a mixture of these two solutions behaves as a strong electrolyte.
Calculate the pressure when temperature is increased to 383 0C and volume of container keeps constant?
What maximum mass of carbon dioxide is produced by the complete combustion of 10.0 kg of this fuel?
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