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Express the concentration of a 0/0200 M aqueous solution of fluoride, F-, in a mass percentage and in parts per million. Assume the density of the solution is 1.00 g/ml
You have proven sulfanilamide is capable of forming a stable and selective crystal lattice. Draw additional molecules of sulfanilamide and hypothesize the intermolecular interactions that are most important for providing a stable and selective cry..
The unknown liquid is volatile. If some of the liquid evaporates between the time the liquid is delivered to the beaker and the time its mass is measured, will the reported density of the liquid be too high, too low, or unaffected. Explain
Enough of a monoprotic acid is dissolved in water to produce a 0.0193 M solution. The pH of the resulting solution is 2.42. Calculate the Ka for
N2O2 draw valence bond drawings for the resonance forms-clearly labeling the sigma and pi bonds and hybrid orbitals.
You diluted the 1:2 dilution 1:3 and finally got a reading that fit onto your standard curve. Your absorbance was 0.450. The best fit line equation : y=0.3413x. What is the actual concentration your unknown protein
How much energy is released per Kg of Dilithium formed? Mass of one atom of 6 Li is 6.015121 amu. Do not know where to start.
An ideal gas is compressed isothermally from 2.0 atm and 2.0 L to 4.0 atm and 1.0 L. Calculate the values of delta U and delta H is the process is carried out a) reversibly and b) irreversibly
Calcium chloride is added to a polymer solution of sodium alginate to cross-link the polymers, reating a thicker mixture which is used to add texture of food (like milk shakes). What is the explanation for why this happens?
the gas sample weighs 2.62grams then computes the molecular weight and determines the identity of the gas.
What is the formula for corn oil, a triglyceride containing palmitic, oleic and linoleic acids
Calculate the concentration of H3O+, OH-, NH4+, and NH4+, and NH3 in 1.00 x 10-6 M NH4Cl solution. Kw = 1.00 x 10-14 and K = 5.52 x 10-10 for NH4+ H2O ?=? NH3 + H3O+.
Chloroform is an excellent solvent for extracting caffeine from water. KD = 9 for caffeine in chloroform-water at 25 degrees celecius. What weight of caffeine would be recovered from a solution of 4.0 g caffeine in 100 mL water by a single extract..
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