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Consider the unbalanced redox reaction: Cr2 O72- (aq) + Cu(s)→Cr3+ (aq) + Cu2+ Balance the equation in acidic solution and determine how much of a 0.850 M K2 Cr2 O7 solution is required to completely dissolve 5.25 g of Cu.
A 50.0 mL sample of 0.40 M benzoic acid, C6H5COOH, a weak monoprotic acid, is titrated with 0.48 M NaOH. Calculate the pH at the equivalence point. Ka of C6H5COOH = 6.5 10-5
4 fess 7 o2g 2 fe2o3s 4 so2gat constant temperature and pressure what is the maximum volume in liters of fe2o3s that
Acetone, the solvent in some nail polish removers, has a density of 0.791 g/mL. What is the volume of 20.4 g of acetone?
solution of water (K_f}=1.86 C/m) and glucose freezes at - 2.35 C. What is the molal concentration of glucose in this solution? Assume that the freezing point of pure water is 0.00 C.
Under what circumstance is the rate law related directly to the balanced equation for a reaction
The latent heat of fusion for sodium is 2.6kJ/mol. How much heat is needed to melt 46g of sodium at its melting point of 98 degree Celcius?
Calculate the equilibrium concentration ratio of phosphocreatine to creatine in the following reaction if the concentrations of ATP and ADP are 8.0 mM and 1.6 mM, respectively.
What is the concentration of Ag+(aq) remaining in solution when the second metal iodide begins to precipitate from the solution? Ksp1(AgI)=1.5E-16 and Ksp2(PbI2)=1.4E-8
A 500ml portion of a solution at pH=13 will just barely dissolve 3.2x10-4 moles of calcium hydroxide. What is the Ksp of calcium hydroxide
Calculate the number of moles of magnesium, chlorine, and oxygen atoms in 8.30 moles of magnesium perchlorate Mg(ClO4)2
Given: 0.250L of 0.575M Pb(NO3)2 solution mixed with 0.300L of 0.822M NaOH at 25c. Determine if a precipitate forms. Calculated the concentrations to be 0.144 mol of Pb(NO3)2 and 0.247 mol of NaOH. What do I do from here
Calculate the molarity of hypochlorite ion in a commercial bleach solution. It contains 5.25% sodium hypochlorite by mass and the density ofthe solution is 1.08 g/mL.
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