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When a rod of metallic lead was added to a 0.0100M solution of Co^+3, it was found that 68% of the cobalt in solution was reduced to Co^+2 by the lead. Find the value of K for Pb + 2Co^+3 = Pb^+2 + 2Co^+2
What is the boiling point of a solution made using 773 g of sucrose, C12H22O11, in 0.275 kg of water,H2O?
Predict the precipitate that forms when aqueous solutions of silver nitrate and potassium chloride react to form products in a double-replacement reaction. Include a discussion of how to write the complete chemical equation describing this reactio..
Describe a situation where a substance changed between the solid and liquid states or between liquid and gas states? Can you describe an example of when a substance changed between the gas and solid states? Let's see how many different examples we..
Consider the following on data on Bell Lake, Based on the Ksp for Al(OH)3 of 1 x 10-33 what are the highest theoretical concentrations of Al3+ at these pH values, in µg /L?
what is the concentration M of a NaCl solution prepared by dissolving 15.3g of NaCl in sufficient water given 455mL of solution?
Concentrated sulfuric acid has a concentration of 18 M. How much concentrated sulfuric acid would be needed to make 255 mL of 1.0 M sulfuric acid?
At equilibrium, the pressures of NH3 and HCl are both equal to 0.00552 atm, and the mass of NH4Cl (s) is 35.4 g. Calculate the equilibrium pressure of NH3 after 11.3 g of NH4Cl (s) is added to the container?
Write the net ionic equation for each of these reactions and demonstrate how two of them add together to yield the third. Using your data and Hess's Law, determine the enthalphy of ionization of HC2H3O2.
draw the lewis structure for the zwitter ion of cysteine, acetylcholine, seratonin, and the carbonate ion?
The electron in the He+ ion is excited to the n = 2 principal state. What is the energy of the electron now
How many moles of NaF must be added to 100.00mL of 0.15 M HF to prepare a buffer with pH=3.30. Ka(HF)=7.1*10^-4
suppose 2.3754g of copper(II) sulfate pentahydrate is heated to drive off the water of crystallization. Calculate what weight of anhydrous salt will remain?
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