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a 0.5118 gram sample of CaCO3 is dissolved in 6 moles of HCL, and the resulting solution is diluted to 250.0 ml in a volumetric flask. How many moles of Ca2+ are in a 25.00 ml aliquot of the solution.
How many moles of carbon monoxide are present in the product gas. How many moles of water vapor are present in the product gas. How many moles of oxygen are present in the product gas. How many moles of nitrogen are present in the product gas.
Find the energy eigenstates for the system. Compute the normalization constant for these eigenstates. What is the boundary condition for this problem. What does this restrict the allowed energies of the system to be? e) What is the degeneracy of t..
Calculate the molality of the solution and the molar mass of reserpentine.
To obtain the same antifreeze protection requires 76 g of propylene glycol to replace each 62 g of ethylene glycol. Calculate the mass of propylene glycol required to replace 9.00 gal of ethylene glycol.
the balanced net ionic equation for the reaction that takes place in aqueous solution between hydrogen peroxide and potassium iodide to make potassium hydroxide and molecular iodine.
A 1.33 M solution of citric acid (H3C6H5O7) in water has a density of 1.10 g/cm3. Calculate the mole fraction of the citric acid.
The reaction between N2 and H2 to produce NH3 is an important industrial process. Using the information from your text and handouts (you may assume ideal gasses) calculate the equilibrium constant for this reaction at 400 ºC
Calculate the equilibrium constant at 0c and at 50c(assuming enthalpies of formation are independent of temp)
What is the minimum potential (V) required to produce both the oxidation and reduction products written above?
Calculate the number of moles of ions present in 15.1 g of a solution that is 6.30% MgSO4 by mass. What formula do you use for this problem?
What is the concentration of Co2 ions at equilibrium? Assume the formation constant of Co(NH3)62 is 5.0× 1031.
43.8 ml of 0.170 M HCl is needed to neutralize 37.6 ml of Ba(OH)2 solution. What is the molarity of the base. 2 HCl + Ba(OH)2 =BaCl2 +H20
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