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What pH must be maintained by a buffers solution so that no more than 0.010% of the mg2+ present in 0.360 M MgCl2 (aq) remains in solution following the precipitation of Mg(OH)2(s)?
Using Heisenberg's uncertainty principle, calculate the uncertainty in the position of a proton moving at a speed of 4.70 +- .01*10^4.
a main component of photochemical smog. Classify this reaction as a synthesis, decomposition, single-displacement, or double-displacement reaction.
The pH at the ½ neutralized point in the titration of a weak acid is 6.824. What is the pKa of this acid
Questions on H-NMR spectrum of isopentyl acetate - What would the effect on yield be of allowing the crushed Dry Ice to be exposed to the atmosphere for long periods of time before being used?
What is the function of the sodium thiosulfate in studying the kinetics of the hydrogen peroxide-iodide reaction?
calculate the molecular mass of the nonionic solutes 8.02 g of solute in 861 g of water lower the freezing point to
A standard addition procedure is used to determine the concentration of F- (in ppb) in a water sample. To four 6.00 mL aliquots of a water sample were added 0.00 mL, 1.50 mL, 2.50 mL, and 3.50 mL of a standard NaF solution containing 12.0 ppb
What is the minimum distance that the moving mirror in the FTIR instrument must transit to resolve these two resonances?
Calculate pCu at the equivalence point in the titration of 20.0 mL of 0.0161 M CuSO4 with 0.0100 M EDTA at pH 8.00.
Calculate approximately the value for the heat of sublimation of methane and calculate the pH for this solution
find delta H for the solution of 1g NaOH in water d) find delta H for the solution of 1 mole NaOH in water e) Given the following heats of formation
The mixture had an observed specific rotation of 15.9°. If it is known that the specific rotation of the R enantiomer is -32.5°, determine the percentage of each isomer in the mixture.
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