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Problem- When trying to find the number of moles of a triprotic analyte present using a basic titrant (NaOH), do the moles of base used to reach the 1st equivalence point correspond to this unknown? Or is it a subsequent equivalence point? In other words, regardless of the number of possible proton dissociations, is the unknown concentration always determined from the 1st equivalence point? Thanks.
I need dexterous help to working out the above problem
A buffer solution is prepared by dissolving 1.50g each of benzioc acid C6H5CO2H and sodium benzoate NaC6H5CO2 in 150.0mL of solution.
Problem- The metal palladium crystallizes in a face-centerd cubic lattice with an edge length of 388.8 pm. 1) What is the density of palladium
A sample of carbon monoxide gas whose mass is 7.75 g is heated from 25 oC to 166 oC at a constant pressure of 5.52 bar.
Use the Variational Principle a to estimate the ground state energy of a harmonic oscillator with un-normalized trial wavefunction φ(x)=1/(1+βx2)2 where β is a paramete
picometers and a crystal of metal X has a unit-cell that is faced centered cubic. Calculate the density of Metal X(Atomic Weight = 42.3g/mol)
How does Le chatliers principle explain the effect of adding dry ice on a reaction of water and CO2 with sodium stearate
A solution of a dye was analyzed by spectrophotometry, and the following calibration data were collected. Dye Conc.(Y) (M) Absorbance(X) at 475 nm
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Assuming the specific heat os the solution is 4.18 (J/gC), that its density is 1 g/ml, and that the calorimeter itself absorbs a negligibkle ammount of heat, calculate delta H in kJ for the rxn
A 60.0-W incandescent light-bulb produces about 4.00% of its energy as visible light. Assuming that the light has an average wavelength of 510.0 nm, calculate how many such photons are emitted per second by a 60.0-W incandescent lightbulb
you are asked to analyze powdered gatorade. two 2 scoops ofgatorade the recommended quantity for one glass of water
The mass of an Argon atom is more than that of a Helium atom. Does that mean that because of Argon has larger mass, it exerts a higher pressure on the walls of container than Helium at the same volume, molar density and temperature? Give explanati..
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