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For the titration of 50.00 mL of 0.0200 M 2-(N-Morpholino)ethanesulfonic acid with 0.09900 M NaOH, calculate how much titrant (mL) is required to reach a pH of 9.29 mL in the receving flask.
We use Use the De Broglie wavelength formula, ohr radius definition and wave-particle duality equation to compute the wavelength of,
the water pressure compressed the balloon and reduced its volume. When the pressure had increased to 55.0 atm, what was the volume of the sample? Assume that the temperature was held constant.
the depth of each tank is 2 m and each has a detention time of 4 h. what is the surface area of each tank and what is the overflow rate of each tank in m^3/d*m^2?
two simillar reactions have the same rate constant at 25 degress, but at 35 one of the reactios has a higher rate constant than the other. Account for these observations.
Calculate the initial effusion rate. If this rate continued how much time would pass until the pressure dropped to 0.90 bar? (actually the rate changes with pressure- indicated why using the equations). assume values for nitrogen
To this was added 20.0 ml of DI water making to the total volume 30.0 ml. The concetration of the unknown acid was 0.868 M. What was the concentration of the original acid?
the hydrated radius of hemoglobin is found to be 3.55 nm. How many water molecules hydrate a hemoglobin molecule?
which you might separate (a) K+ from Ag+, (b) Ba2+ from Pb2+, (c) NH4+ from Ca2+, and (d) Ba2+ from Cu2+. All cations are assumed to be in aqueous solution, and the common anion is the nitrate ion.
Show how to produce 2-methoxy-1-butanol from the epoxidation of 1-butene. The reaction was carried out in methanol.
The pH after adding 5.0mL, 10.0mL, 15.0mL, 20.0mL (keeps increasing by 5)... 50mL of KOH aqueous solution to the 50.0 mL sample of the HF solution.
A studet determined the percentage KHP in an impure sample of KHP . a 3.150g sample of impure KHP required 41.50 mL of 0.1352M NaOH solution for titration.1) calculate the number of moles of NaOH required for this titration
The nitration of toluene gives o- and p-nitrotoluene as the major products. Please explain this observation, using structures (rather than words) as much as possible.
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