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The M+ values for ?-chloroacetyl chloride, ?-chloro-2,6-dimethylacetanilide, and lidocaine are 112, 197, and 234 m/z, respectively. For each of these three chemicals, state how the "parity rule" is (or is not) obeyed by the MS data. If this question cannot be answered for a chemical, state briefly why not (for example, what additional data would be needed or why the situation is ambiguous).
Which best describes a solid?
To what volume must 518 mL of 13 M Ca(OH)2 solution be diluted to make a 3 M Ca(OH)2 solution?
A 1.23 mol sample of KOH is dissolved in 425 ml water. find the molarity of the solution
An aqueous solution of unoxygenated hemoglobin containing 5 g of protein (M= 64000 g/mol) in the 100cm3 of solution is placed in an insulated vessel.
What reagent could be used to reduce both the nitro and ketone functional groups in a single reaction?
Calculate the concentrations of all species in a 1.62 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1=1.4x10^-2 and Ka2=6.3x10^-8.
A. A student places 2.10 L of water in his dormitory room, which has the volume of 4.06 x10^4 L. He seals the room and waits for the water to evaporate. At 25 deg C, the density of water is 0.997 g/mL
Write the reaction equation for acid-base equilibrium between hypochlorous acid and hypochlorite ion.
Suppose you had standard .1000 M NaOH ,an indicator, such as phenolphthalein, an analytical balance, and a micro-buret available. Explain how you could determine
Determine the molarity of a solution of sodium hydroxide (NaOH) if 27.9 mL of this solution combines exactly with 22.30 mL of 0.253 M
Draw the major product for each of the following reactions. Make sure that you draw a major product that could be isolated, not just an intermediate or something that would be present only in low equilibrium population.
write three dimensional structures of meso-stilbene dibromide and one enantiomer of dl-stilbene dibromide
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