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Calculate the molar solubility of calcium oxalate, CaC2O4, in a solution that has been buffered so that the pH is constant and equal to 4.00. The solubility product for calcum oxalate is 1.7 x 10-9. Oxalic acid, H2C2O4 is a diprotic acid with Ka1=5.60 x 10-2 and Ka2=5.42 x 10-5.
Write a nuclear reaction for the neutron-induced fission of U-235 to produce Te-137 and Zr-87? How many neutrons are produced
A 0.484g sample of impure NH4Br is treated with 25.00ml of 0.2050 M NaOH and heated to drive off the NH3. The unreacted NaOH in the reaction mixture after heating required 9.95mL of 0.0525 M H2C2O4 to neutralize.
A 3.5 L container is filled with gas at 1.00 atm. A piston then compresses the gas to 0.250 L. What is the new pressure?
Identify the reaction as precipitation, acid-base, oxidation-reduction and/or gas forming. What is the concentration of the unknown solution
phosphoric acids, rather than hydrochloric acid, used to catalyze the dehydration of alcohols?
calculate A) the molarity of sodium B) the molarity of magnesium acetate C) the molarity of acetate ion in each solution
PVA (polyvinyl alcohol) strands can form hydrogen bonds between different parts of the same strand. Illustrate how this can occur by using a sketch to show the hydrogen bonding.
Write the structure of the conjugate acid of this base while consider the base monosodium phosphate, Na (HO)2P( O)O also explain why an aqueous solution of monosodium phosphate would be ineffective for extracting benzoic acid? pKa of this conjugat..
Using Slater's rules, calculate the relative effective nuclear charge on a 3p electron in : a)aluminum and (b) chlorine. Explain how results relate to:-the relative atomic radii of the two atoms
Determine the molarity of the solution If 3.00 grams of Ammonium sulfate is dissolved in enough H2O to form 300. mL of solution,?
Catalyst to Reduce Cure Temperature in Bonding Wood with MDI, A wood chemistry course that indicates that methylene diphenylisocyanate (MDI) is used as a common resin and/or glue in bonding wood fibers together in composite type substrates.
calculate the molarity of each of the following solutions: a) .500 mol of sucrose in .200 L of a sucrose solution. b) 30.4g of LiBr in 350 mL of a LiBr solution. c) 73.0 g of HCl in 2.00 L of a HCl solution.
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